Chet Grissom

Susan receives some surprising news while she's away on a romantic weekend with Ian, Lynette continues to try and support the family while Tom chases his dreams, and Bree finds her family is anything but perfect.

Bailey and a team of surgeons must remove a young girl's inoperable tumor; as the new head of trauma, Owen Hunt challenges the surgical abilities of the residents and the attending doctor's methods.

The team searches for a female serial killer who targets high-powered executives.

The mysterious circumstances surrounding an Arctic explorer's death take Castle and Beckett to the halls of the CIA; Castle believes the killer may be fooling the investigators.

When the son of a New York mob boss is found shot to death in an alley, Tommy, Adam and Megan investigate, only to be shot at themselves. When an early suspect is gunned down, Megan and her team realize they have to solve the case before more bodies pile up.

Raylan guides Ava through the process of informing on Boyd and tries to turn Boyd's old ally against him; Boyd works to pull off a daring heist right under Raylan's nose.