Detective Jane Porter's everyday life is disrupted when a routine case unexpectedly leads her to John Clayton, better known as Tarzan. After appearing dead for 20 years, he is found by his uncle, the billionaire Richard Clayton, director of the powerful Greystone Industries in the jungles of Africa. Tarzan was locked up in his uncle's house against his will, but is able to escape and sneak across New York to help other people in need. Immediately after meeting Jane, he follows her into the crime scenes and helps her solve the police cases.