Monisha

Harikrishnan (Sreenivasan) & Ravi Kumar (Siddique) are best friends & neighbors. Hari is happily married to Viji (Monisha) & Ravi is on the lookout for a suitable bride. But Hari is in for a rude shock when Ravi meets & decides to marry Indu (Shobana), whom Hari is convinced knows about Hari's dark past. A disturbed Hari seeks the help of his constable friend Purushothaman aka Purushu (Jagadish). Purushu, along with a small-time thief Thankappan (Mammukoya), hatch a plan to deal with the issue.

Vishwanathan (Mukesh), the budding leader of a group of unemployed youth in the village of Kummaattikkadavu, becomes the witness to the murder of honest cop Harikumar (Devan) by Achayan (Rajan P. Dev), the local bigwig. After an attempt on his life, Vishwanathan gets assigned two cops for protection - K. Sreedharan Nair (Innocent) & K.P. Chacko (Jagathi). At first, Vishwanathan considers his escorts a matter of pride, but soon their constant presence & interference starts to mess with his life.

Devanarayanan (Mohanlal), a Brahmin priest, gets framed & jailed for theft by Arumukhan (M.G. Soman) & his coterie. After his release, Devan goes to Mumbai where he grows in the Mumbai underworld, under Don Karim (Goga Kapoor). After a 2nd jail sentence, Devan gives up crime & with money given by Karim, returns to his home town in Kerala to regain his ancestral home. There, Devan finds his family in ruins. He teams up with his old pal & politician Karunan (Sreenivasan) to get back at Arumukhan.

Self-made businessman Vinayachandra Kurup (Balachandra Menon) is a martinet at work & at home, with his mother (Kaviyoor Ponnamma), wife Vasantha (Geetha), brother Shanthan (Jayaram), uncle Gangadharan (Oduvil Unnikrishnan) & younger sister Sathi (Monisha). When Shanthan marries Beena, Vinayan's steno, without his permission, Vasantha sides with Shanthan, causing discord between Vinayan & Vasantha & leading to her leaving the house. Slowly, Vinayan's obstinacy drives everyone away from his life.

Josekutty (Sudheesh), an orphan, slips into the world of crime after teaming up with petty thief Mayyanad Madhavan (Sreenivasan), but is arrested & jailed. After his release, in a heist gone wrong, he kills a security guard, for which Madhavan accepts the blame & goes to jail. Josekutty, who was trying in vain to get himself jailed, helps an old lady in distress, Rachael Mathew (Srividya), thereby becoming a member of her household & gets close to Rachael's adopted daughter Elsa (Monisha).

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.

Harikrishnan (Suresh Gopi) investigates the immolation death of his younger brother Unnikrishnan (Vijayakumar) who was killed during a student demonstration. Harikrishnan finds the hand of politician G. Parameshwaran (Narendra Prasad), who used to be Unnikrishnan's godfather, behind the crime, but finds it difficult to bring him to justice due to Parameshwaran's connections & clout.

A famous character of Kerala folklore, Raman (Thilakan), respectfully called 'Perumthachan' (the master carpenter) was a master carpenter, sculptor & architect. Raman begets a son, Kannan (Prashanth), who later becomes more famous than him, decreasing Raman's importance & causing subtle feelings of animus & one-upmanship between them. When Kannan falls in love with Kunjikkavu (Monisha), daughter of Maambatta Unni (Nedumudi Venu), who was Raman's patron, Raman tries in vain to discourage Kannan.

Nandagopalan (Mohanlal), an alcoholic due to his tormented past, but a talented teacher at the Kerala Kalamanidram school of performing arts, takes a liking to his student Malavika (Monisha) & casts her as the lead for his magnum opus dance piece 'Seetharamayanam'. Somashekaran (Vineeth), another student at the school who loved Malavika, misunderstands Nandagopalan's & Malavika's relationship, gets jealous & plots to sabotage the dance performance.