Benson walks into a hostage situation at a neighbourhood restaurant; Rollins tries to help her father after he's hospitalised.
Pairings and perspective change over the course of a night when Johnson, Masters, Libby, and Keller attend the same party.
Jack and Samantha travel to Los Angeles to follow the trail of a man who disappears after his employee's funeral. Plus, Jack and Samantha rekindle their relationship.
Valentine's abuser, Dante Trippi, is murdered and left on Backstrom's doorstep; Valentine's inability to tell the truth makes the investigation difficult; Backstrom is not a fan of Amy's new boyfriend.