A jet bound from Miami to New York crashes after takeoff--and Julia's mother, Erica, may be on board. Christian, Sean, Liz and Julia struggle to save the lives of surviving passengers, and Sean must amputate the arms of one of the crash victims.

Christian learns the truth about Kimber's wedding-day disappearance when he receives a grisly clue from The Carver. Detective Kit McGraw brings Carver suspect Quentin in for questioning.