When the investigation of a dead millionaire leads the CSIs to an elite dating service, Ryan poses as a wealthy businessman to expose the matchmaker’s lies.

When the CSIs investigate who or what caused a horrific car accident, both drivers’ darkest secrets are revealed.

Eric Delko returns as an expert witness for the defense, pitting himself against his old team.

Derek and Meredith visit the obstetrician and receive disturbing news; Lexie notices April and Meredith growing closer; Jackson tries to get ahead in the operating room.