When Reid fears his mother has been abducted, he asks the BAU to investigate while he's stuck in prison.
An irritable Vietnam veteran must assist the team to solve a murder case at a charitable event. McGee and Bishop investigate a rumour.
Two teens are accused of assaulting and murdering an elderly woman, but the truth soon reveals itself after a long investigation.
Catherine and McGarrett go to Afghanistan to help a young boy, whose family saved Catherine years earlier.
Carlos and Gabrielle get temporary custody of Lily; Bree's father and stepmother come to town to mediate; Susan suddenly finds Karl back in her life.