A sceptic one-eyed crime branch Inspector Rishi Nandhan assisted by his two trusted sub-inspectors Ayyanar and Chitra, investigates strange and mind-bending cases involving supernatural or paranormal phenomena. He stops at nothing in his efforts to find the truth behind unexplainable murders while also battling various challenges in his personal life.

An urban educated doctor who is transferred to a village in the hopes of mitigating the frequent illness and illness and disease spread in the rural area and her efforts to get adjusted to the ways of villagers.