When Julio Olmedo discovers his sister Cristina has vanished from the Grand Hotel under suspicious circumstances, he poses as a footman to learn more.

Julio suspects hotel manager Diego of having a role in Cristina's disappearance and follows him to Cantaloa, where Julio gains an unexpected ally.

Javier's lover is found murdered and Inspector Ayala takes over the investigation, while Alicia finds a disturbing letter in Diego's office.

Inspector Ayala questions Julio about the murder of prostitute Jimena, while Alicia spies on Diego's henchman as he hands over blackmail money.

Inspector Ayala finds a knife in Andrés's bed and suspects him of Jimena's murder, while Pascual takes Alicia hostage.

Julio finds items that belong to Cristina in Pascual's father's house, and Javier becomes embroiled in a love triangle with an important guest's daughter.