Sonali Gupta Basu

A scientist accidentally finds a drug that can reveal an individual's past. However, when a few politicians fear their exposure, they plot to kill him.

Deepa and Debasish are married under unhappy circumstances, and their relationship proceeds as such, with little communication or connection between husband and wife. Meanwhile, there is a series of mysterious murders where the quill of a porcupine pierces the heart of the victim, killing them instantly. These two stories converge, requiring the presence of detective Byomkesh Bakshi to solve the mystery.

Shaon and Antor are a young couple facing the pressures of living up to the expectations of parents and society.