Rachel Quaintance

The FBI's assistant director of national security joins the BAU as it investigates the quadruple homicide of a group of roommates in St. Louis.

Mike finds himself out of work and lacking the technological skills needed in the 21st century to search for a job. With Frankie's help, Brick runs for school historian.

Vince continues to pursue Sophia; Turtle must ask his investors for more money.

Lilly and the team reopen the 1972 shooting of a Vietnam prisoner of war after a pair of POW tags are found in an abandoned drug house.

Mindy reunites with her "first kiss," Sam. The two reminisce about their time at Jewish summer camp, and soon rekindle the sparks of their teen romance.

Tori gets the lead in a high profile school musical, but freaks out when a stage makeup project goes awry and she's left looking like a zombie on opening night.