when Dholakpur’s treasury becomes empty, kids find a treasure map left by the legendary treasure hunter Kank Bahadur. The people of Dholakpur call him a traitor which has upset Tuntun. As the kids set out on the treasure hunt, Tuntun reveals Tooli, a magical axlotl, a gift from her grandfather. The kids leave with Tooli. Chutki shows amazing skill handling the ship. When attacked by sea bandits, a sailor, Ryklys helps the kids but when Kaalia mentions the treasure, Ryklys reveals his true colours- he’s a pirate with a cursed crew. Ryklys attacks but a storm washes the kids to a deserted island where they meet the castaway, Lehsun. The kids get a clue of an island named Jhankara. Lehsun shows an old ship using which the kids get close to the treasure but Ryklys reappears. The spirit of Kank Bahadur manifests and it is revealed that Kank Bahadur is Chutki’s great grandfather. His spirit channels into Tooli who transforms into a war creature riding Bheem & helps him find the sunken city of Jhankara. Bheem destroys both Ryklys and Damyaan and the kids unearth the treasure to return home as heroes and to clear the name of Kank Bahadur