Doggy Don, Karnal and their brother, Major Saab along with the mice are urged to save the world from an evil shark, called Surmai Bhopali, who destines to transform the world into an ocean only resided by sea creatures by the destroying the balance between sea and land, which is located at the heart of the ocean. Along with their new friends, Boodhababa, Manumaan and Yeti, they defeat Surmai and successfully capture him and his fish army in a jail.