Baby Shark Ollie's birthday party is being held at a colorful coral playground at the bottom of the sea! Pinkfong, Teacher TeukTeuk, and other sea friends have all gathered, but no matter how long they wait, Baby Shark doesn't show up. Did something happen to him? Meanwhile, an unidentified monster appears before Baby Shark as he goes to meet friends at a new playground at the bottom of the sea?! It keeps following Baby Shark, saying incomprehensible things....? Can Pinkfong and Teacher TeukTeuk safely rescue Baby Shark and have a fun birthday party?