When Molar Alan and his older brother, Aaron, fill out their Christmas wish lists front and back, the Santa at the mall informs the boys they won't be getting anything they asked for. Instead, he says, they will receive everything they never wanted. This isn't your garden-variety Santa, he's Dr. Chris Ringle, a pediatric oncologist, and he enlists the brothers as Santa's elves at the children's ward for the holidays. Each boy is charged with a very...