When Anis Ahmed, a successful businessman and aspiring politician in Bangladesh, gets kidnapped, there is a stir in the political and administrative circles to find him.

While in captivity, Anis receives a riddle related to his son that reminds him of Rakin's reckless life and past sins. Meanwhile, Rizwana gets a call from Anis's kidnapper.

When police find an unidentified body resembling Anis, Rizwana requests Rakin for a DNA test. However, Rizwana's meeting with Anis's business partner ignites a new turn.

Police speculate that Anis's bitter relationship with his business partner, Shahed, may have instigated his abduction. Meanwhile, a mysterious woman comes into Rakin's life.

Falshback reveals that Anis has a special bond with that mysterious woman, Sonia. However, one day, after facing a gruesome deed of Anis, she disappears.