S01E12 - Sigappu Rojakkal (1978)

Dileep is a successful businessman with a dark side. He prey on nubile girls, assaults and kills them. These proceedings are video-recorded and watched by his adoptive father and mentor. He meets Sarada, and is attracted to her. She wants to marry him to have his way. Later she finds a diary containing details of his deranged life and, and names of the girls he had killed scribbled on the walls of one of the rooms in his large house.