Francine becomes obsessed with home security after a break-in rattles her. Steve tries on Hayley's laidback approach to school work.

Laurel learns about some damaging information that affects Emiko. Always looking to protect his sister, Oliver invites Laurel to help investigate, which makes Felicity happy as her friend is now working with the team. However, when things go awry, Felicity is forced to make a choice between the team and Laurel.

Adam offers to eat a vegan diet with Kate in an effort to bond with her, but his love of meat proves a hard habit to break.

Boxer Conor McGregor; comic Michael Che; actress Rachel Feinstein; restaurateur Frank Pellegrino Jr; a special episode filmed in various NY locations using a phone camera.

The artists take the stage for the Battle Rounds! The coaches enlist Charlie Puth, Kelsea Ballerini, Brooks & Dunn, and Khalid to prepare their artists for a dueling duet. Winning artists proceed to the brand new round, the LIVE Cross Battles.

Steven's vocational career fair prompts Loren and Abbey to question their professional paths; Shoemaker and Fairbell join a cult-like pyramid scheme.