Javi, a young rent boy living in Madrid, comes to a sauna club looking for a job. But soon he'll find out a place full of secrets, the biggest of them being a strange man who will fall in love with him: the Phantom of the Sauna.
A civil war rages across a vast, seemingly unpopulated landscape. As men fight and die, a mute woman searches for her son who has been kidnapped by child organ traffickers. She is accompanied by ‘the Steppenwolf’, a reformed ex-convict now hardened into a ruthless investigator. They resemble a bloody odd couple, but are determined to see their mission through, removing every obstacle – most of them human – in their path.
Claude is a self-made hitman who gets picked up by the big boys to handle a troublesome witness. But the job turns out to be a little more difficult than he expects...