The members of the BAU team search for a suspect who may have witnessed abuse as a child, while Kate worries when her niece and a friend make plans with a boy they met online.
When Leonard can't drive Sheldon to and from work, the friends stage an intervention to overcome Sheldon's fear of getting behind the wheel.
When an assassin targets the government's key witness in an embezzlement case, the team must help the witness make it home alive.
Jane searches for Lorelei's connection to Red John; the CBI team work with the FBI to investigate the murder of a hotel employee.
Randall and Rebecca embark on a road trip and reflect on their past.