Series of bucket-killing murders happening in the city. Failure to resolve by police, a team of CBI Officers under CBI officer Sethurama Iyer take up the investigation to resolve the never experienced mystery.

Louis Pothen is an all rounder. He is divorce lawyer, he participates in live TV channel debates on various topics, and he is a film critic, too. His wife Vasuki Iyer is a Kathakali artist, and together with his school-going daughter, they live in a city highrise. The story further focuses on an incident that sort of transformed the lively Vasuki into an introvert. What follows is a dramatic exploration of Vasuki's recent past and how she gets over it.

Wanted movie revolves around Unni, Nandu, Mani and Chupran who are friends who are unemployed but have a lot of liabilities in life. Unni aspires to become a police officer while Nandu wants to go to the Middle East. Mani is a loner who is willing to take any risk in life to make fast money and Chupran is taunted by his parents at home.

Nasrani takes us to the Kottayam belt, where rich rubber planters and estate owners live. One such rich planter is David John Kottarathil, popularly known as DK. DK spends most of his time at the Cosmo Club, where he is the secretary too. He has his say over all spheres of human activity. He is respected and feared too.

Petty thief Gopi steals a chain, and in order to escape a police inspector, drops it in Veena's bag. Later, he tries to take it from her, but the chain is no longer there. He becomes a part of her plan to stop her boyfriend from marrying a rich tycoon’s daughter

A truck driver named Chandrahasan marries a girl who gets stolen by Giri, his evil best friend. The film portrays the journey of Chandrahasan in search of Giri.

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.

Udayabhanu is an assistant director and scriptwriter, who dreams of making it big in the film industry. His attempt is thwarted by his roommate, a junior artiste, Rajappan Thengamoodu who steals his script to become superstar Saroj Kumar

Inspired by Sherlock Holmes books, enforcement officer PL Thomas wants to crack a big case in his first posting. However, his wife's antics lead to the whole case going awry, even pushing him to the point to derangement. His scheme to salvage some pride as a last-ditch effort takes the plot forward.

Sivankutty earns a living by selling tickets in black. One day, he witnesses a policeman's murder in broad daylight and stands up against the culprit alone.