

Hari and his friends stay at a room in Kamathipura, which also homes the largest red lighted area in India. The film begins with Harikrishnan witnessing the murder of a journalist, and being asked by police to appear at an identification parade, which he does. He shares a room with a group of Malayali guys, who have their own personal problems and difficulties.

Harikrishnan (Mohanlal) is an immigrant in Mumbai, who like many thousands of immigrants is busy struggling to make ends meet. She is visited by Arjunan in her hometown and finally they leave together as a family with her son. Lathika returns to her hometown and reunites with her aunt and grandmother. Sreekumar apologizes to Lathika and asks her to attend his own wedding. Latikha rushes to the room and is taken aback to see first Arjunan and later his mother arrive to take care of her son.One day by chance her ex-lover (cousin) Sreekumar finds out about Lathika's tribulations after he left for the Gulf, and in anger he beats up Arjunan. He is moved from the common ward to a private room by Arjunan. One day Lathika's son contracts fever and is hospitalised. She and her best friend live together in a hostel. She moves to a big city to give birth to the child, and her mother passes away in the shock.Back to present, Lathika meets Arjunan, who is now her boss. Arjunan, a close friend's brother on a fateful rainy day drives Lathika home in his car but the former can not control his feelings and hence rapes her. Sreekumar leaves for the Gulf after a trip back home, and Lathika waits for the day of his return and their impending marriage. She is in love with her cousin who works in the Gulf and they are engaged to be married. Her flashback reveals a happy life in her village with her widowed mother and her cousin Sreekumar, his parents -her uncle and aunt and their grandmother. Lathika is a working single mother of a son named Jagadish.
