An unexpected revelation shakes Emily to the core; Victoria sinks her claws deeper into David.
Following a series of fatal shootings, the BAU team travels to Illinois to investigate what appears to be a copycat serial killer.
Even Emily's closest friends worry that she has gone too far as she sifts through the wreckage of her life.
Emily is forced to take extreme measures against the Graysons -- and those closest to her.
When Matt is in a hurry to get to the fertility clinic, each member of the family has a crisis that prevents him from getting there in time.