The story of Shikkar takes place at Chittazha, a mountainous terrain where bamboo reeds flourish. After much wandering from place to place, Balraman (Mohanlal) a lorry driver has finally settled down with his daughter (Ananya) at Chittazha. Peace evades the man as his past catches up with him, and Balaraman has to risk everything to safeguard his own life and that of his daughter's.

The story is centred on Lal Krishna Viradiar, the enigmatic criminal lawyer with an even more enigmatic mission. Lal Krishna helps out hardened criminals to get away from the courts. But later, he pursues and takes them out in a bizarre show of vigilante justice.

Alex, who is awaiting execution, confesses to having committed six out of the seven murders he is acquitted for. Officer Sethurama Iyer decides to trace the original murderer of the seventh one.

Vasco and his family witness a murder carried out by a local goon. Problems start brewing in their lives when this criminal starts plotting against him.

Poovalli Induchoodan (Mohanlal) is sentenced for six years prison life for murdering his classmate. Induchoodan, the only son of Justice Maranchery Karunakara Menon (Thilakan) was framed in the case by Manapally Madhavan Nambiar (Narayanan Nair) and his crony DYSP Sankaranarayanan (Bheeman Raghu) to take revenge on idealist judge Menon who had earlier given jail sentence to Manapally in a corruption case. The story begins with Induchoodan released and his father & mother coming to stay with him.

A young man risks his life to guarantee his twin sister's happiness and protect her from murderous in-laws.

Arjun, an unemployed youngster and Deva a powerful don both fall in love with Sailaja, a middle-class beauty, at the same time on a rainy day at a railway station. Arjun keeps bumping into Sailaja coincidentally every time it rains. This makes them both feel that it is perhaps the rain that keeps bringing them together, and they start to fall in love. Deva, on the other hand, takes the back-door route to get the girl, with the help of her good-for-nothing father.

Unable to bear the growing corruption in society and rejection from his love interest, a meek lawyer becomes diagnosed with multiple personality disorder due to which the personalities of a vigilante killer and a metrosexual start existing within him.