On a rainy night, a toddy shop owner is found hanging after 11 people stayed inside playing cards in the closed shop. SI Santhosh investigates, uncovering secrets to find the killer. On a stormy night, after the shop closes, eleven patrons remain inside, drinking and playing cards. By morning, Babu is found hanging in the center of the shop. Sub-Inspector Santhosh C. J., portrayed by Basil Joseph, is assigned to investigate the case. As he delves into the lives of the eleven individuals present that night, he uncovers a web of secrets, motives, and hidden relationships.