A renowned relationship therapist is murdered. The team investigate a couple whose files are missing from the office, and find a perfect, priceless, 100 karat diamond is at the heart of the mystery.
Episode rating
Cast of episode
- 71
- 21
- 5
- 2
- 1
- Richard Castle
- Kate Beckett
- Kevin Ryan
- Javier Esposito
- Alexis Castle
- Lanie Parish
- Captain Victoria Gates
- Martha Rodgers
- Barrett Hawke
- Steve Warner
- Leo Wyngaard
- Kyle
- Tory Ellis
- Andrew Spencer
- Edward Peters
- Receptionist
- Frumpy Nightgown Woman
- Janet Warner
- MC
- Golfer
- Alice Clark