Following his stint at the LAPD, Wesley returns to the district attorney's office where his past connects him to the team's investigation. Meanwhile, Bailey and John have conflicting feelings over safety, while Lucy grows suspicious of Seth.

It's Valentine's Day, and Lieutenant Grey gives Tim and Lucy an unromantic assignment, while John and Celina track down a missing girl. Later, the team sharpens up for a charity gala where multiple relationships come to a head.