Game Over

A deranged homeless fella gets a job as a Santa at a department store but is fired from it after the manager witnesses him slap a child who had accused him of not being the real Santa. The fella hitches a ride to the manager's home in the back of a delivery van n kills the driver upon reaching the secluded and high-tech mansion where only the manager's ten year old kid, a dog n the kid's old grandpa is present.