[1][2][3][4] Santhosh is a happy-go-lucky software employee, who is all set to marry his fiancée Minchu, who comes from upper caste Brahmin family.
One night, Santhosh meets Aishwarya, a carefree woman, who is drunk and takes her to a lodge, where he also fell asleep.
Later, Aishwarya doubts whether she and Santhosh had sex, and blackmails him to stay for 45 days till the pregnancy reports arrive.
However, Minchu's friend Sandhya sees Santhosh and Aishwarya at the hospital, and misunderstands them to be in relationship.
Three months later, Santhosh reunites with his parents, and finds Aishwarya, who is about to be engaged with her fiancé Preetham.