On a rainy day, Arnab and his parents are traveling in a car after meeting Piyali regarding his marriage. Their car hits a strange looking old woman who dies on the spot. Arnab and cops locate her house where her daughter Ruksahana is chained who doesn't seem to be normal and is disconnected from outside world. After performing last rites of her mother Arnab leaves Ruksahana back to her house. But Professor Qasim Ali comes to capture her with his men who know about her identity. But she manages to escape and reach Arnab's place who shelters her not knowing her true identity.