Dr Spencer Reid believes that a young man who has reached out to him for help may actually be a serial killer.
When Ted attends his mother's wedding, he is disturbed by her overly affectionate relationship with her fiance.
Flashbacks reveal the murder case that first introduced young Gibbs to NCIS and to Ducky.
Vince agrees to a starlet's special project; Turtle lies about his position to get a girl; Drama develops calf-envy.
The class clown at a local high school is discovered shot in the back; Sara and Nick investigate a case involving a decomposed body in a bag.