V.M. Vinu

Devan (Jayaram), a meek, honest farmer and the village darling, gets into trouble with the local hoodlum, Ripper (Riyaz Khan), and runs away to Pollachi with his friend Dasan (Jagathi) in tow. There he meets his look-alike Pazhani (Jayaram), who is the exact opposite of Devan in character. Upon persuasion from Dasan, Palani and Devan agree to switch places, and various comic and chaotic situations ensue.

Ravishankar (Sreenivasan), a junior lawyer to a famous lawyer Venugopal (Innocent), & an idealist, is frustrated with the fact that he hasn't even handled a single case on his own even after being with Venugopal for 12 years & also angered at the corruption in the legal system. Finally, with the help of his friend "Sakshi" Mani (Jagathi) & ASP Prakash (Suresh Krishna) & Judge Mukundan (Thilakan), Ravishankar lands the post of the Public Prosecutor & takes on the big shot Isaac Samuel (Saikumar).

Athaniparambil Balachandran (Mohanlal), affectionately known as "Balettan" to everyone, including his kids, is a do-gooder & simpleton who is always ready to help his villagers without regard for his own welfare. His father, a retired postmaster (Nedumudi Venu), dies after confessing to Balettan about his second wife & two daughters. Balettan keeps this a secret & looks after his stepmother & stepsisters without the knowledge of his own family, which leads to flashpoints in his personal life.

Vishwanathan (Sreenivasan), an incorrupt village officer, is obsessed with making his son Manu (Vineeth Sreenivasan) an Engineer, sends him to a coaching center & always pressures him about it. Manu has no interest in being an Engineer & his mother Rema (Suhasini) is torn between the two men. When Manu doesn't pass the entrance test for the 3rd time in a row, father & son get into an argument after which Manu leaves home. Later, a drunk Vishwanathan goes missing, & is found, brutally beaten.

Pappan's (Innocent) eldest son Appukutta Menon aka Appu (Mammootty) had been the backbone of the successful business empire Leela group, but gets sidelined when his younger brother, London-educated Hari (Indrajith) who had an eye for profits rather than sentiments, applies multiple reforms in the firm. When business rival Sivan (Saikumar) tries to break apart Leela group using honey trap Veni Warrier (Sindhu Menon), leading to Hari killing Veni's accomplice in a scuffle, Appu takes the blame.

4 waste disposal workers working for the 'Kudumbasree' organization, Girija (Revathy), Shantha (K.P.A.C. Lalitha), Suhara (Shweta Menon) & Raji (Vishnupriya), find 30 lakhs of 'Hawala' money in a dumpster, which they deposit with usurer Unnithan (Nedumudi Venu), & which they later learn to be from murdered Hawala courier Ashraf. CI Antony (Lal) suspects them of pocketing the money & gets hot on their tail, while Unnithan, learning that the money was illicit, tries to keep it for himself.

Vishnu (Vineeth Kumar) comes to join Padmanabha Menon's (Nedumudi Venu) textile mill as a textile designer & falls in love with bubbly village belle Kanmashi (Nithya Das). However, things get complicated when Menon mistakes Vishnu to be his grandson from his long-lost son Unni (Madhupal), & arranges Vishnu's marriage to his granddaughter Varsha.

Bus owner & conductor Zakir Hussain (Mammootty) gets into a mess when his nephew Najeeb's (Jayasurya) pregnant girlfriend Sugandhi (Bhavana) shows up, after she leaves her own home for good to be with Najeeb. With Najeeb away in Dubai for work & Zakir's own sister Celina's (Mamtha Mohandas) wedding around the corner, Zakir tries to hide Sugandhi till Najeeb got back, with disastrous results.

Balachandran (Mammootty), a C.I. of Police on suspension, helps investigate the grisly murder of Thomas Punchakadan (Firoz Khan), the spoiled brat of political kingpin Varghese Punchakadan (Vijayaraghavan), despite the fact that Thomas was a foe of Balachandran, & was in fact responsible for Balachandran being suspended. Balachandran's investigation leads to a group of freewheeling youngsters & Balachandran feigns friendship to get into their inner circle.