Chanchal Ghosh

Several interested parties go in search of a sleep-generating machine which was made 150 years ago by a scientist. However, a little boy is named the scientist's heir and becomes his legacy.

Feluda is called to Gosaipur by Jiban Mallick, the son of the local Zamindar Shyamlal Mallick to investigate a threat of his father's life. Everyone in the village knows that father and the son are at loggerheads. Shyamlal is also an eccentric who eschews anything modern. Then, instead of Syamlal, his son Jiban Mallick is killed and the wealth of Mallick's looted. Oddly though, the dead body of Jiban Mallick vanishes, only to reappear again. Feluda works this out with a mixture of investigating skills and deception.

Sasanka (Subrata Nandy) grows depressed as his house and his career as a theater actor both crumble around him. When his cold-hearted, widowed sister-in-law Saraju (Aloknanda Dutt) arrives with her adorable young son Kanu (Aniket Sengupta), Sasanka's mood eventually changes. Kanu and Sasanka become fast friends as the youngster benefits from his uncle's wisdom and acting ability.

Ravi, a wealthy model, leaves his father's business after unsatisfactory modeling work and returns to his parents' home to join struggle students and revolutionary Manohar.