C.I.D. - Season 1 Episode 567

A dead body with stab wounds is found on a beach. CID follows the trail and reaches the art gallery of an eccentric painter with a history of violence. As the suspicion is raised over his business partner, who is also killed eventually by poisoning, the painter goes missing. Just as investigations reach a dead end, the painter comes back and accuses his own son of attempting to kill him. After a few twists and turns, CID ultimately reaches the sinister truth behind the killings.