Miguel sets out to eliminate a threat to his plans: Sergei. While interviewing Natalia's parents, Héctor finds a lead. Chisca learns how to use spyware.

Miguel tries to eliminate those bidding on the Grace prototype. Jorge starts working with Kenia and Flaco. Chisca plans her revenge against Valentín.

Miguel sets a contingency plan in motion to try to save Peligros's life and salvage the auction scheme. In Madrid, Chisca reconnects with Valentín.