Father Goes West: A former high line thief from Boston tries to give up crime for the sake of his teenage son, and Mary and Marshall search for the person who nearly killed Mary.

When Mary Met Marshall: A break-in threatens the security of the first witnesses Mary and Marshall handled together.

Coma Chameleon: BATF Agent, Wade Guthrie, is shot during an undercover weapons deal.

Whistle Stop: Mary and Marshall try to help FBI Agent Mike Faber convince his informant to enter WitSec.

Fish Or Cut Betta: When Dominic, a former sociopathic hit man with a love of explosives, falls in love for the first time, Mary fears that he won't handle rejection very well.

No Clemency For Old Men: When a hardened bank robber who's been in prison for decades is finally paroled, it falls to Mary to help him acclimate to life on the outside and keep him from falling back into a life of crime.

Love's Faber Lost: Agent Mike Faber returns to Mary's life when he gives her a new witness.

Son Of Mann: Seth Mann, a legendary Marshal whose career spans decades and who also happens to be Marshall's father, comes into Albuquerque to work on Operation Falcon, a nationwide sweep of open warrants.

Death Becomes Her: A woman from an organized crime family experiences a major health scare and witnesses her beloved niece repeating all of her mistakes.