The CSIs investigate a present-day crime with ties to a mob heist that occurred 25 years ago. Meanwhile, Brass has a decision to make when his daughter attempts suicide.
Major Crimes division is still in shock over Chief Johnson leaving; Captain Raydor now has the responsibility of trying to gain the trust of the team under her leadership. With little time to adjust Major Crimes may have some difficulty to in reaching a plea bargain after a fatality due to a recent rash of grocery store robberies in the area. Detective Amy Sykes joins Major Crimes after providing much needed help in the case as an undercover cop. Sharon Raydor decides to look after a teenager who has run away and from his Foster family.moreless
The BAU travels to Atlanta to investigate the murders of women and determines there could be more than one suspect involved in the case.
A human isolationist leader threatens to destroy Starfleet Command unless all aliens leave Earth immediately.