One day Bheem and his friends board a ship for a fun ride with captain uncle. But their happiness does not last for a long time as they are attacked by the sea pirates. Bheem bravely fights the pirates giving them a run for their lives. But little did they know that they were going to be trapped in a whirlpool which is going to take them to a fantasy world under the sea. Can Bheem be able to bring back his friends to Dholakpur? Enjoy reading this adventurous journey which has lots of twists and turns!