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.