The BAU team pursues an amateur surgeon who amputates limbs from his victims; Reid's calls to a mystery woman create intrigue.
The team investigates the killing of a family; budget cuts force Brenda to choose between giving up one member of her team to another unit and forcing one of them into early retirement.
Natalie throws a Fourth of July party and invites David as her date; Margaux ramps up her plan to remove anyone who stands in her way.
Lt. Colson questions the quality of police investigations; Janette lands at Le Bernardin; Annie attempts composing; Davis discovers new talent; Sofia gets an internship.
Sonny misses the boat; Antoine tries to get reading help for Jennifer; Janette endures corporate hell; Toni and L.P. Everett get a witness; Desiree gets a new ally.