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.
The sisters confront their uncle with what they've deduced. Clara and Natalia work together on a cover-up. Eva tells Nicolás about the photo she found.
Dr. Rojas takes drastic measures to save himself, leaving Eva scrambling. Pierre investigates the staircase death. Sebastián pursues Dimas's fuel idea.