Cuando levanta la niebla (1952)7.4 /10

Storyline:  Pablo, a neurotic young man in a psychiatric hospital, poisons his wealthy roommate Alberto and assumes his identity after the death is dismissed as a heart attack. Returning to Alberto’s family home, he finds only Silvia, the sister born after Alberto’s departure. Posing as her brother makes his plan easier, until he unexpectedly falls in love with her and, unable to marry her, plots her murder.