On the day of his wedding to Merc d s, Edmond Dant s, first mate of the Pharaon, is falsely accused of treason, arrested, and imprisoned without trial in the Ch teau d'If, a grim island fortress off Marseille. A fellow prisoner, Abb Faria, correctly deduces that his jealous rival Fernand Mondego, envious crewmate Danglars, and double-dealing magistrate De Villefort turned him in. Faria inspires his escape and guides him to a fortune in treasure...