Snehmoy and Miyage are pen friends who exchange wedding vows through letters. Fifteen years pass but they never meet. Yet the bond of marriage is strong between them. This unusual relationship comes under a cloud when a young widow, Sandhya, comes to stay with Snehmoy along with her eight-year-old son Poltu. Snehmoy and the little boy bond and the arithmetic teacher discovers the joy of palpable bonds and fatherhood. There develops an inexplicable thread of understanding with Sandhya too. But Snehmoy remained loyal to his unseen Japanese wife.

Rahul is a college-going boy who has always longed for the attention and love of his parents, which he feels deprived of. When he meets sexy Sohini, his forgets his loneliness and his mind gets obsessed with her thoughts. A new desire to live works within him. But that Rahul loves her remains unknown to Sohini, the results of which are strange or mysterious events occurring in her life. Whether Rahul is able to win the heart of Sohini or not, forms the climax of the story.