"Sea Shark Swim", the red hot online music video, is all the rage in children's entertainment, setting records across social media and top streaming platforms. One of it's biggest fans, a young boy named Kirby, receives a special gift from his dad, the famed shark hunter Brock Banner - the doll from the show! However, Brock, thinking it would be a lucky charm, has hidden a tooth from a nasty shark he has just caught and killed inside the toy. Soon the doll becomes possessed by the spirit of the evil sea beast! As the child spends a weekend with a nasty babysitter, the doll comes to life, feasting on bodies and wreaking havoc on the unsuspecting household.