K. Madhu

On a fateful night aboard the Souparnika Express, ace-shooter Nadiya Methar (Kavya Madhavan) is gruesomely murdered along with renowned danseuse Thulasi Mani (Suja Karthika) and sprightly journalist Shreya Maria (Poornima). The investigation is taken up by the Railway Anti-Criminal Task Force (RACT) headed by Sharafudeen Taramasi (Suresh Gopi), who soon gets busy threading the beads together to unravel the true mystery behind the three homicides. (moviezmazaa.blogspot.com)

When the local police isn't able to solve the death of a young married girl Omana (Lizy), the case gets handed over to Central Bureau of Investigation (CBI). CBI officer Sethurama Iyer (Mammootty), who is assigned the case, and his crack team consisting of Vikram (Jagathy) and Harry (Suresh Gopi) gets down to solving the mystery behind the death.

When the Malayali captain (Lalu Alex) of a foreign ship contacts hotshot laywer Bhaskera Pillai (Mammootty), about an amnesiac castaway on his ship, Basheer (Jagathi Sreekumar), whom he believes to be a Malayali but who has no documents to prove so, Bhaskera Pillai sets off on a crusade to deport Basheer from the ship, and faces various threats and obstacles in the bargain.

Ashwathi Varma (Ambika), a reporter for 'Sunday Mirror', tries to expose the underworld criminal-political nexus & the gold smuggling racket of Sagar alias Jacky (Mohanlal), which he jointly runs with Shekaran Kutty (Suresh Gopi), the son of the state Chief Minister. Sagar opposes Shekaran's wishes to expand the business into narcotics, & this makes them fall out with each other. IG Thomas (Janardanan), who has a personal vendetta against the Chief Minister, also tries to exploit this situation.

When a group of VIPs and their families, including cabinet minister Bharathan Menon (Prathapachandran), are kidnapped by a bunch of criminals, led by an ex-convict Charles (Lalu Alex), and a ransom of Rs. 5 crore (2.5 crores in American Dollars & 2.5 crores in gold) & the release of 4 of their jailed gang members is demanded, an ex-cop and commando, Ali Imran (Mohanlal), is brought in by DIG Menon (Sukumaran) to secure their release.

Hariharan, a Retd. Intelligence Officer who runs a security agency, is approached by Latha (Rekha) to find out a woman named Raji (Ragini) who was blackmailing her, threatening to reveal secrets about her father. Soon, Raji is found dead & CI Peter (Lalu Alex) began questioning Hariharan, who had been asking around for Raji. Later, Latha's troubler cousin Suresh (Vijayaraghavan), who was colluding before with Raji, is also found dead. Hariharan tries to unravel the secrets behind both murders.

At the behest of Fr. Gomez (Gopi), Sethuramaiyer (Mammootty), along with aide Chacko (Mukesh), travels to Kannur Jail to meet death row convict & serial killer Isow Alex (Kalabhavan Mani), where Alex had a confession - of the 7 murders he was convicted of, 5 in Irani & 2 in Nadamangalam, he was innocent of the first murder in Nadamangalam - that of businessman Manikunju (Ramachandran V.). Sethuramaiyer reopens the case & investigates with the help of Chacko & prentice Ganeshan (Vineeth Kumar).

Film actress Ashwathi (Parvathi) is found hung from the ceiling of a room in Hotel President, where she was staying while shooting for her latest movie. DySP Devdas (Sukumaran) does the preliminary investigation & concludes it as a suicide, but after a public outcry, the case gets handed over to CBI, & Sethuramaiyer (Mammootty) investigates, along with aides Chacko (Mukesh) & Vikram (Jagathi).

In this 4th installment of the CBI franchise, supernatural forces seems to be at play when Sethurama Iyer (Mammootty), along with his trusted aides Chacko (Mukesh) & Vikram (Jagathi Sreekumar), investigates the 4-year old mysterious death of a Brahmin girl Mythili (Samvrutha Sunil), which happened at the cursed mansion of Animangalam, where Mythili had come for a short vacation with her friend Anita (Gopika) of the Animangalam family.

Hotshot lawyer S. Syamprakash (Mohanlal) fights a tough legal battle against one-time friends, businessman & smuggler Kaimal (Janardanan) & his son Mohan (Devan), after Mohan rapes & hence murders Geetha (Monisha), a girl for whom Syamprakash had brotherly affections.

SI Rajan (Jayaram) investigates the disappearance & death of a young girl Bhadra (Mangala), who also happened to be his younger sister Manikutty's (Shivani) friend. However, halfway through the investigation & after arresting a prime suspect, Parampathu Raju (Ganesh Kumar), a ruffian named Rajamani (Jayaram) turns up, vowing to free Raju & complicating things.

Assistant Commissioner of Police & communist R.D. Nayanar (Suresh Gopi) quits his job & moves to Calcutta to join politics after his bitter struggle to bring Prathapa Varma (Devan) of the Ilayidathu Palace, whom he suspected of the murder of Police Commissioner Maya Pillai (Vani Viswanathan), ended in Varma & his goons brutally assaulting & crippling Nayanar. Years later, Nayanar, nominated as the new Chief Minister of Kerala after the communists win the election, returns to seek his revenge.

At the behest of Kerala Chief Minister Shekaran (Janardanan), DySP Ashok Nariman (Suresh Gopi) reopens the case of convicted double murderer Manu (Vijayakumar). Convinced that Manu was framed by some powerful figures including top criminal lawyer Padmanabhan Thampi (Siddique), Nariman builds a case against them, but it gets thrown out in court. Angry but not giving up, Nariman tries a different tactic by framing Thampi & his coterie in a fabricated case.

After Amala (Sangeetha), a nun, who was also a lawyer, gets killed, the government summons Delhi-based cop Idamattom Palackal Easo Panicker (Suresh Gopi) & appoints him as Deputy Inspector General of Police, to investigate the case & bring the murderers to justice.

Aattiprackal Jimmy Jacob (Mohanlal), the local youth-wing leader of the Kerala Desham Congress political party & a strongman, gets a foe in the form of new Superintendent of Police, Nayana Pillai (Nagma), who tries to reign in Jimmy's rule in Kottayam. Later, Jimmy is betrayed by his father-figure & party leader K.C. Korah (Saikumar) in a political game, leaving him accused for murder of his would-be bride Sherin's (Navya Nair) father Mathew Varghese (Nedumudi Venu), & wrecking Jimmy's family.

When the coastal area of Poomanam goes up in blaze in a communal riot, leaving 8 dead, Home Minister of Kerala, Abdul Rahim (Murali) summons the hotheaded ex-cop Amarnath (Mammootty) from retirement to clean up Poomanam & to bring the perpetrators to justice. Amarnath discovers the hands of powerful men, including an underworld don & a cabinet minister behind the Poomanam issue, but faces stiff resistance from the political & police circles in trying to book them.

Seetha (Kaveri), a young servant girl is found raped & murdered in a pond, & Unni Thampuran (Manian Pillai Raju), the girl's employer, is arrested & charged. Ace lawyer Kuruvila Aniyan Kuruvila (Mammootty) appears for the accused, but Unni is declared guilty & given a life sentence after the prosecution comes up with a fake witness. Although dejected, Kuruvila tries to reopen the case after finding that the case officer SP Sugunapalan (Rajan P. Dev) had helped the real culprits by framing Unni.

Jayadevan (Ratheesh), a hotel receptionist struggling to support his two sisters - Saritha (Seema), who was separated from her husband & Viji (Shobana), who lost her leg in a car accident, is diagnosed with brain tumor. Turning desperate, he pretends to be a murderer the cops were looking for, in exchange for the reward money. However, later he is cured & realizing the only way for him to get his life back was to find the real killer, Jayadevan escapes from custody & sets out in search of him.

Tipped off about an impending heist at Lemo Bank, a new generation bank in Kochi, IPS officer Sravan Varma (Anoop Menon) & his team goes undercover as customers in the bank on the scheduled day of the heist, only to find that a murder takes place there instead. Someone cuts off the power supply for a few minutes, within which a rich playboy is killed by an incision to the throat. Sravan cordons off the bank, detains everyone there & races to solve the murder before the bank closed at 4 PM.

At the behest of his lawyer friend Shekhar (Y.G. Mahendran), ace Supreme Court lawyer A.C. Raja (Mammootty) takes up the case of Sundar (Jaishankar), a middle-aged family man convicted of killing his younger brother Balu's (Sarath Kumar) wife Vijayalakshmi (Sreeja) after raping her. Helping Raja's motives was the fact that Sundar's sister Hema (Amala) was someone Raja had tried wooing a few years ago.

Martin (Mukesh), the youngest son of Mundakkal Markos (Madhu), is a ruffian who does anything for money. Sreelakshmi (Anju), the heir of the family of Nangyaath Madam, meanwhile was in danger of being cheated out of her inheritance by her uncles - Bhadran (Narendra Prasad), Krishnan (Johny) & Vishnu (Rizabawa). Circumstances lead to Martin marrying Sreelakshmi, thus triggering a rivalry with Nangyaath Madam. Sreelakshmi dies during delivery, leaving the 2 families to feud over the baby's future.

A pair of government enforcement agents - Alex (Balachandra Menon) & Malathi (Suhasini) - battling illicit foreign currency & money laundering, takes on a gang doing the same, led by Rocky Fernandes (B. Thyagarajan).

A series of murders is happening in the city. With the police failing to solve the case, a team of CBI Officers under CBI officer Sethurama Iyer take up the investigation to resolve the mystery. (imdb)