Prof. Ram Dayal, his assistant Johnny and daughter Leena go to the jungle in search of Cobra Tribe's treasure. Jojo and Bakona, a pair of crooks, follow them secretly. When the party enters the jungle, Tarzan, the king of the jungle, takes Leena away to his hideout. The Professor and his party search for her. Leena is treated well by Tarzan and they fall in love. When the party sees Tarzan they want to kill him, but Leena saves him. Later the party must deal with the two crooks, betrayal among them, and the Cobra Tribe.
