Owen introduces Callie to the Veterans Hospital patients in hopes that she will help them with her robotic limb lab, Jo becomes jealous of Alex and Meredith's friendship, and Maggie continues to confide in Richard.
Hays recalls the aftermath of the Purcell disappearance case, focusing on two conspicuous suspects and possible evidence left behind.
Ray sets out to shut Van Miller's investigation down with an incriminating video. Meanwhile, Bunchy's housewarming party gets out of hand and Mickey puts the kids in danger.
CSI members discover that one of their own is in danger while the team attempts to investigate the murder of a navy contractor involved in confidential data sales.