A desperate teenager is forced into the dangerous world of underground fighting to win enough money to save his ailing mother. He finds out what he's made of in the face of these violent hungry competitors.

主人公迈克尔，为了事业，牺牲了很多和家人相聚的时候，在听到他行将要升职的谎言今后，迈克尔约请他所有的家人举行庆祝。然而。在圣诞夜，他不可不在家人眼前，面临升职掉败的困境，当晚，迈克尔改变了人生态度，决定多花些时候给他生射中最紧张的人们……