Set in the late 1950s, the story centers on Manikyam, a young woman found dead in a small Kerala village. Though her in-laws claim she died from a seizure, an autopsy reveals it to be a murder. The case remains unsolved for over 50 years. Decades later, Haridas, a detective from New Delhi, returns to the village, coincidentally born the same night as Manikyam's murder,determined to uncover the truth with the help of crime analyst Sarayu.