Carver''s family fled the war in 1943 coming to an old mansion located on the coast, the place once belonged to a wealthy whose son died in a mysterious way he begins to narrate a story. The fact was related to the participation of a demonic entity called the Lord of the Mist whose habit is to grant wishes for a very high price, the spirit has the power to take the shape you want statue, dog, cat etc.
When Father Roland Fleischmann met him, was shaped like a veteran magician and then begged him to let him have the love of Eva Gray, his old college friend, just months after he married Eva, but with the commitment give the devil his first child which is not fulfilled, thus disappeared. But the devil was to pursue for years to Cain, who initially tried to hide in a circus but it was located, then tried to flee in a boat but this was full of prisoners who escape desperate to end up shipwrecked on the coast where they live the Gray.
It seems that freedom has come but one day the little Jacob, a relative of Cain (who would end up drowned on the beach) is attracted by a sea animal takes it and although Victor tries to save his relative, little is already dead.
Meanwhile Carver parents were trapped by the statues of the time that Gray lived in the house, suddenly get rid of Family Guy to see his son dead, run to the beach and offers his life to the spirit rather than the the child, the child then the father comes alive and trapped by the statues desaparece.estaban circus that Gray had in his garden. At the end of the novel while in the train station, it seems that time is reset, the covenant is fulfilled, the Carvers are directed to the clinic with her daughter (Alicia) and found a watch in the city.