orologio en CB01 OFFICIAL. Kolkata police detective Shabor Dasgupta sets out to solve the murder case of Mitali Ghosh, a woman with a messy past. Her ex-husband Mithu Mitra, ex-boyfriend Pantu and friend Samiran are the prime suspects and so is her cousin Joyeeta. His investigation reveals a complex web of relationships gone sour that gives almost everyone a good motive.