After traces of blood linked back to a missing teen are found, the team re-investigates the 2006 case of a boy who disappeared from a high school for deaf children. Meanwhile, Miller is again approached by Veronica's father, wanting to get to know his daughter.
- Kathryn Morris as Lilly Rush
- Danny Pino as Scotty Valens
- John Finn as John Stillman
- Jeremy Ratchford as Nick Vera
- Thom Barry as Will Jeffries
- Tracie Thoms as Kat Miller
- Ryan Lane as Andy Rierdan
- Lilli Birdsell as Dean Vivian Harden
- Colleen Foy as Emma Walker
- Bob Hiltermann as Ed Rierdan
- Shoshannah Stern as Leah O'Rafferty
- Dondre T. Whitfield as Jarrod Jones
- Lisa Hermatz as Secretary
- Michael Anthony Spady as Teacher
- Evelina Gaina as Student #1
- Lance Patrick as Student #2
- Margot Chambers' box is visible when Scotty and Nick put away Andy's box.
- Rihanna "SOS"
- Coldplay "Talk"
- John Mayer "Gravity"
- Jet "Look What You've Done"
- Closing Song: The Fray "Look After You"