The prime minister of the nation gets killed and an efficient police officer, Sivaraman, gets appointed by the government to solve the murder mystery. He gets ninety days to accomplish the mission.

Isaac is given the condition that he can only marry his girlfriend, Annie, if he passes his SSLC exams. However, things take a turn when another man sets his eyes on Annie.

A man murders his rich brother-in-law with the help of three co-conspirators to amass his wealth. He also manages to discredit the deceased man's illegitimate son.

Akbar accidentally kills his friend Raghu, and the only way he can escape capital punishment is to obtain a letter of forgiveness from Raghu's wife Ganga.

Saraswathiyamma is the head of a noble family that treats her servant Krishnan as one of her own sons. When her relatives conspire to sell her house, she and Krishnan set out to save it.

Devarajan, a criminal-turned-crane operator, is separated from his wife, Nandu, and son, Appu. He tries to reunite with his family even though he faces many obstacles.

Menon buys land for his five-star hotel and asks his trusted employee, Sreedharan Unnithan, to take its charge. Years later, Unnithan gets Menon imprisoned in a fake case and Kunjumon helps him.

A thief and his family decide to mend their ways and start afresh. Things take an awry turn when they find themselves embroiled in local issues.

Lokanathan IAS is about a backward class man from slums who drives an autorickshaw becoming a bureaucrat.

Complications arise when Lalan, a crook, returns from jail and learns that his friend Majeed has turned into a gangster.