Several strangers meet during their stay at a luxurious hotel.

The Gran Hotel, one of the most luxurious in Spain, hides dark secrets. Julio gets a job at a hotel to investigate the disappearance of his sister, but ends up getting involved with an unusual guest.

Julio receives confirmation that his sister is dead; a suspicious letter turns up in hotel manager Don Diego's office.

When the missing gold knife turns up in her son's bedroom, Dona Teresa tries to protect her hotel's reputation.

Julio discovers an unwelcome truth about his late sister; Don Javier pushes the daughter of a distinguished guest to the brink of despair.

Don Diego proves he will fight to the end for Alicia; Sophia and Alfredo prepare to stand up to the scheming manager.