Bheem and his friends were having a gala time on the Dholakpur beach when the sea princess appears. The mermaid princess invites them to an underwater festival. Bheem and friends immediately set off with the princess's dolphins. A magical shell helps them breathe and enjoy the sights under the sea. As they go deep into the sea world, an old enemy, a wily squid stops them and grabs the life- saving shell. Bheem needs to get into the action yet again. Does he save everyone, without air, under water? Experience a thrilling fantasy-adventure, under the sea, in this volume.