While working on the house of morphine-addict Godon, impoverished immigrant Sébastien overhears details of a mysterious job. When Godon overdoses, Sébastien assumes the dead addict’s identity in a bid to secure money for his family. Following a trail of instructions Sébastien is drawn into the heart of the French countryside, becoming Player 13 in a clandestine and brutal game of chance.