Jayabharati

Balan (Prem Nazir), an orphan brought up by Daniel (Balan K. Nair), is a hardworking Railway employee & gets promoted to the post of an engine driver, along with his best friend Raghavan (Jayan). He happened to rescue Savithri (Jayabharati) from some thugs & gives her shelter in his house. Daniel, who wanted Balan to marry his daughter Daisy, takes offense to this, & kicks Balan out of his house. Savithri turns out to be Raghavan's estranged wife & this causes friction between Balan & Raghavan.

When a young girl, Devi (Suchitra), gets killed during a train journey from Trivandrum to Madras, on board the No: 20 Madras Mail train, three young men - Tony Kurishinkal (Mohanlal), Hitchcock Kanjikuzhi (Manian Pillai Raju) & Kumbalam Hari (Jagadish) - suspected of murder, go on the run from the Police, & also tries to find the real murderer. They seeks help from & gets it from movie star Mammootty (Mammootty), who also happened to be a traveler on the train, the night the girl was killed.

A teenager, Pappu (Krishnachandran), falls in love with his neighbor and family friend, an older woman Rathi (Jayabharati) & begins to obsess with her.

When C.I.D. Chandran (Raghavan) is killed by a masked attacker, Central Intelligence Bureau (CIB) appoints C.I.D. Nazir (Prem Nazir), along with assistant Bhasi (Adoor Bhasi), to find the group behind the killing & bring them to justice.

Bhaskaran aka Bhasi aka Pachu (Jayaram), the grandson & lone surviving blood relation of Melevettil Thampi (Thilakan), who retired as a Railway Divisional Account, comes to visit his grandfather for the vacation, after a long 6 years, along with friends Ranjith Menon (Asokan), Lopes (Rahman) & Krishnankutty (Ajayan). Once home, Bhaskaran reconnects with family friends & old lover Bhadra (Kirti Singh). However, the vacation and everyone's happiness is short-lived when a major tragedy strikes.

Vishwanathan (M.G. Soman), a painter, comes to a village in Kuttanad, his birth place, & rents the house he grew up in, with the intention of seeking revenge on Paili (Madhu), the duck farmer, who had hacked his parents to death. After an initial spat with Paili, Vishwanathan befriends him & gains entry into his home. When Vishwanathan learns that the only person whom Paili cared about in this world is his daughter Ammini (Jayabharati), Vishwanathan decides to seduce & impregnate Ammini.

Mamangalam Ponni (Sheela), the coveted girl of the land, has to wed a lowly woodcutter (Prem Nazir) who saved her life, to abide by the law that any virgin accepting clothing from a man, has to be his wife. Ponni makes a warrior out of the woodcutter in 101 days & names him Durgadasan, but now, Durgadasan can only see her as his guru. Meanwhile, her jilted suers - Thacholi Chandu (Ummer), Elavannoor Idumban (Jayan), Kaippali Paachan (Janardanan) & others were planning to get Ponni by any means.

Rajiv Menon (Mohanlal), wastrel multi-millionaire & owner of Ratnagiri Plantations, gets obsessed with the idea of having a baby, but without the commitment of a marriage. Annie (Rekha) agrees to be a surrogate mother & bear Rajiv's kid via artificial insemination, in return for financial help to cure her bedridden husband Chandradas (Murali). However, after delivery, Annie becomes attached to the child & refuses to part with him.

Ramamurthy (Prem Nazir), a mild middle aged Brahmin comes to Kannur to stay with Balu (Balachandra Menon), a medical rep, to try his luck in becoming one himself. Things doesn't go well for Ramamurthy, & just when he was about to give up, Sujatha (Jayabharati), a friendly doctor, comes to his aid & boosts his spirits. Ramamurthy becomes attracted towards Sujatha but kept it to himself. Sujatha's uncle (Thilakan), meanwhile, tries to get her married to his London-return son, Mohan (Lalu Alex).

Three struggling friends - Pavithran (Jayaram), a Hindu, Jimmy (Siddique), a Christian & Basheer (Jagathi Sreekumar), a Muslim, separately come to the Thripathoor palace in response to an ad calling for eligible Kshatriya bachelors to be adopted by Rajashekara Varma (Narendra Prasad) & wife Lakshmi (Jayabharati) of Thripathoor. Trying to be the chosen one, they adopt fake Kshatriya names & compete & try to outwit each other, but soon has to contend with a 4th candidate - Seena (Easwari Rao).

Impoverished goof-off Alavuddin (Kamal Hassan) comes into possession of a magic lamp, after a sorcerer (Jose Prakash) who tries to procure it through Alavuddin leaves him for dead in a booby-trapped cave. Rubbing the magic lamp summoned a genie Amir, with whose help, Alavuddin becomes a rich & important person & romances the princess of Bagdad, Roshni (Jayabharati), much to the chagrin of Kamaruddin (Rajnikanth), commander of the Bagdad armed forces, who had an eye on Roshni himself.

Nandakumar (Mukesh) & Shashankan (Harisree Asokan), after various failed odd jobs, opens an Ayurvedic clinic, armed with knowledge gained from the medical texts of Nandakumar's long-gone father Vasudeva Panicker (Narendra Prasad), who was a great Ayurvedic doctor during his time. A pharmaceutical company approaches Nandakumar with a research job offer to find a cure for asthma, & Nandakumar takes up the challenge, knowing well that the company was the reason his father disappeared in disgrace.

Ravishankar (Mohanlal) takes up the reigns of power of the street he grew up in, after his mentor & father-figure Salim (N.F. Varghese) passes away after getting beaten by cop CI Martin. Ravishankar pardons Martin, but Martin is killed by the men of Ravishankar's & Salim's archrival Gulab Chand Shah, & the blame falls on Ravishankar. Ravishankar tries to clear his name, but his childhood classmate & rival Vishnu (Biju Menon), the new cop in town, is hellbent on booking Ravishankar.

Wrongly accused of theft & jailed, upon release, Ramachandran (Jayan) kills the man responsible for it, abducts his daughter Sarala (Seema) & leaves her in a brothel, while Sarala's brother Balakrishnan (Sukumaran) roams around looking for Ramachandran. Not knowing each other's true identities, Ramachandran & Balakrishnan, who went around with false names, become thick pals. Thampi (K.P. Ummer), a rich womanizer, tries to break up their friendship by letting them know the truth about each other.

Businessman Vishwanatha Menon (M.G. Soman), his wife Padmavathi (Jayabharathi) & Padmavathi's niece Nimmy (Karthika) come to Kodaikanal for a month's vacation, where they meet & befriend orphan guide Raju (Mohanlal). Nimmy feels a closeness to Raju, but their friendship doesn't bode well with Menon's son & Nimmy's beau Vinod (Suresh Gopi), who tries to keep them apart.

Ambi arrives in Kumbakonam from Delhi to see his ailing father. His father, an orthodox religious scholar, revered for his knowledge in vedic studies, is now ill, having only his memories to accompany him. The state of his father is a shock to Ambi. The two fell out over Ambi's love and subsequent marriage to a Christian girl Sweetie. Barely able to recognize his son now, Vembu Iyer ponders in total silence, as Janaki, Ambi's mother, shares with her son what has happened since he left for Delhi.