A crime writer searching for the truth about a personal tragedy becomes involved in a murder investigation.
After a period of sorrow, Fernando de Arellano, a rich businessman who has recently lost his young wife Blanca from a serious ilness, meets Mónica, who looks identical to her.
Edmundo Dantes is betrayed by his best friend, who has him killed to keep his property and his love. But after a few years, a certain Count appears to mortify the life of the traitorous friend.