Almost two years after a devastating loss, the Duke of Castamar hosts a big party. An agoraphobic Clara is forced to prove herself at her new job.

Amelia has shocking news for Enrique. The queen asks Melquíades to covertly find an important document. A fire threatens Rosalia's future at Castamar.

Diego, feeling conflicted about his night with Amelia, turns to an old friend for advice. Clara's guilt engulfs her. Gabriel is distrustful of Enrique.

When Clara is found unconscious, Diego insists on staying by her bedside, no matter the social implications. Amelia, however, won't be deterred.

The day of Diego and Amelia's wedding — and Clara's father's execution — brings multiple last-minute surprises for everyone at Castamar.