The mysterious owner of a costume shop rents a Santa Claus suit to three very different men: a math teacher trying to get the nerve to propose, a homeless restaurateur trying to hide from the mob, and a harried political speech writer visiting with his estranged wife and son. Their lives are inexorably changed by their experience of playing Santa Claus.
A little girl's father gets in trouble with jewel thieves just before Christmas. He leaves his daughter with Pete, an old friend, but then doesn't return for her as promised, and the trio tries to find him.