The BAU investigates the cause of several fatal car crashes involving drivers and pedestrians. Also, Reid gets bad news.
In the year 2006, Victoria is visited by her estranged mother; Emily meets Aiden during her first mission under Takeda's training; Carl Porter crosses the wrong people.
Emily's mysterious blackouts put everything and everyone she loves at risk; Victoria is confronted by two ghosts from the past.
Greg Sanders and Nick Stokes investigate the death of a 16-year-old girl who has connections to a brothel.