Martín is a tormented and solitary man who hides a shameful and unspeakable secret: he lives with a life-size doll which he treats as if it were his wife. This idyliic, loving existence will be gravely threatened when a prostitute, her daughter, and a pimp enter his life.
A child is witness to an assault on a monk by the gang of Lorenzo the Fifth. The monk escapes and takes refuge in the estate of Doña Carlota, a countess who lives with her son Juan and daughter Beatriz. Basilisa, the maid, conjures the devil to free her son from an irreversible illness, but to do so the evil must be transmitted to an innocent soul, and for that she chooses Beatriz. The child begins to be the victim of a possession, for which everyone blames the monk.
A jewel heist goes wrong, resulting in several deaths. Naschy is left with the loot and he takes off with the the cash before the gang is supposed to meet back up. Gang leader Frank Brana sets out to track down the man and the jewels with the help of his gang.
