Nervous hopefuls wait for a life-changing phone call as Simon struggles with his decision. Later, crushing news forces him to look inside his heart.

After the field narrows to 16, the boys arrive in Miami for vocal coaching. Their harmonies give Simon goosebumps, but four singers just aren't ready.

A singer gets a warning. The pressure rises as Simon looks for passion and chemistry. Can the boys prove their vocal prowess in the studio?