The resourceful agent XXL enters the game again. After his stepson Trent had witnessed a murder, the special FBI agent Malcolm Turner created a plan how to find evidence about the murderer. Hence, they go undercover at an art school for girls. They represent themselves as Big Momma and Charmaine, so a series of comic situations is on the way throughout this comedy. Would the murderer find them? Do they manage to pose genuinely or their roles are undoubtedly questioned in the school? Find out what one sacrifices for a mission!