Singer Carlo Broschi is invited to perform a concert at Castamar. Diego meets a young woman and Clara gets jealous. During the party, tragedy strikes.

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

Amelia faces a serious complication with her pregnancy and turns to an unexpected source for help. Alfredo searches for a missing Gabriel.

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