S.P. Sreekumar

Sam Alex (Prithviraj), who used to be a top cop in the force, shirks work & spends his days in drunken stupor after his wife Teena (Meghana Raj) & daughter are killed by a terrorist & he is unable to stop it. Sam is finally brought out of his exile by his boss Aravindaksha Menon (Vijayaraghavan) & forced to look into a case of serial killings with religious overtones.

Major Sreekumar (Jayaram), a cyber-terrorism expert in the Indian Army, develops a software to infiltrate enemy computers, but is attacked & shot by militants in Kashmir during his mission, which also mentally destabilizes his wife Leena (Mia George). They retire to a remote village in Kerala & live under false identities, until Sreekumar's commanding officer from the army, Tommy Eapen Devassy (Suresh Gopi), who was also Leena's family friend, tries to get Sreekumar back to fulfill his mission.

Bangalore-based professionals & friends Balu (Fahadh Faasil) & Isha (Radhika Apte) fall in love with each other, get married & move to Kochi, but a fight between them causes Isha to fall out of love & they head for divorce with Balu continuing to question why. In between this, Balu happens to save a girl, Ameena (Rajshri Deshpande), from a murder attempt & befriends the ebullient radio jockey & activist Gargi (Sagarika Bhatia).

Raman (Dileep) returns to his hometown of Ramapuram in Kerala after 30 years to encash an investment his late parents had left for him. Unbeknownst to Raman, he was the son of Veebhadran (Santhosh Keezhattoor), who had killed Indrasimhan (Anand) of Ravanapuram, Ramapuram's rival village. Raman ends up in the house of Indrasimhan's brother Narasimham (Nagineedu), who had vowed to kill him. Raman tries to stay alive, while Narasimhan's daughter Krishna (Nikki Galrani) thinks Raman is chasing her.

Village simpleton Prakashan (Fahadh Faasil) comes from a remote village in Gujarat to Bangalore to find a buyer for his land in Koyilandy, Kerala, to settle his debts in Gujarat. However, unable to find a buyer, & in desperate need of cash, Prakashan, who was a look-alike of the famous Malayalam movie star Fahadh Faasil, decides to impersonate him in return for money.

C.P. Swathanthran (Mammootty), the son of Late Parameshwaran Pillai (Joy Mathew), a Gandhian, is fighting his relative Soman Thampi (Sunil Sukhada), to reclaim his ancestral assets. Listening to his pals' dopy advises, C.P. constantly loses money & face, with the latest being a hunger strike at the Trivandrum Secretariat, to erect a statue of his father in his village Kokraankara. C.P.'s love interest Umadevi (Jewel Mary), meanwhile was striking nearby to find the killers of a murdered student.