Lathika is a working single mother of a son named Jagadish. Her flashback reveals a happy life in her village with her widowed mother and her cousin Sreekumar, his parents, her uncle & aunt and their grandmother. She is in love with her cousin who works in the Gulf and they are engaged to be married. Sreekumar leaves for the Gulf after a trip back home, and Lathika waits for the day of his return and their impending marriage. 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. Lathika becomes pregnant. 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. She and her best friend live together in a hostel. One day Lathika's son contracts fever and is hospitalized. He is moved from the common ward to a private room by Arjunan. Latikha rushes to the room and is taken aback to see first ...