As the ship pulls into port at Rio de Janeiro, Nicolás searches for the gold, Eva looks for her missing sister and devastating secrets come to light.

The Bárbara de Braganza prepares to set sail from Argentina to Mexico but, first, Eva is asked to help undercover agents find a man harboring a virus.

When a serious crime occurs aboard the ship, Fabio warns Eva their mission is getting dangerous. Carolina becomes entangled in the mystery.