Two sisters bring a stowaway on board a ship traveling from Spain to Brazil, but the situation turns mysteriously fatal once they are out at sea.

Eva accuses Fernando of lying. When a passenger suddenly confesses to the murder, she and First Officer Nicolás suspect something is being covered up.

After a passenger's life is put in danger, the captain makes a bold decision. Carolina asks her uncle about a woman in a photo. Dimas mourns a loss.

Carolina hears shocking claims about her family. Nicolás worries the ship is headed into a storm. The captain's decision spurs Aníbal to take action.

In the midst of a turbulent storm, Dr. Rojas and Eva try to save Nicolás. Sebastián asks Dimas to help him win back Verónica. Luisa makes a discovery.

Dr. Rojas takes drastic measures to save himself, leaving Eva scrambling. Pierre investigates the staircase death. Sebastián pursues Dimas's fuel idea.

On Carolina's wedding day, the Villanueva sisters are forced to face an upsetting truth about their family. Varela begins to suspect Natalia and Clara.