In Plain Sight revolves around Mary Shannon, a Deputy United States Marshal attached to the Albuquerque, NM, office of the Federal Witness Security Program, more commonly known as the Federal Witness Protection Program. Shannon must find ways to balance her professional life of protecting witnesses, her professional relationship with her partner, Marshall Mann, and her problematic personal life.
Table of Contents
#1 – Something Borrowed, Something Blew Up
Season 4 – Episode 13
Mary must protect her least favorite witnesses on the day of her sister’s wedding.
The episode was rated from 46 votes.
#2 – All’s Well That Ends
Season 5 – Episode 8
Series Finale: Drastic changes take place at the Albuquerque WITSEC office. Mary finds herself caught between a witness and an unexpected family reunion.
The episode was rated from 56 votes.
#3 – Second Crime Around
Season 4 – Episode 5
Mary works with an unapologetic con artist.
The episode was rated from 47 votes.
#4 – Rubble with a Cause
Season 2 – Episode 4
A building collapses on one of Mary’s witnesses, leaving him exposed to outside threats, so Mary has to risk her life in order to keep her witness safe.
The episode was rated from 47 votes.
#5 – Sacrificial Lam
Season 5 – Episode 7
Having slipped through the fingers of the FBI, James Shannon is on the run again and heading for the border, but first he must stop to take care of a little unfinished business. Agent O’Connor, convinced that she was somehow involved in James’ escape, places Mary under investigation, but when he refuses to listen to her suggestions about the possible whereabouts of her father.
The episode was rated from 53 votes.

#6 – The Art of the Steal
Season 4 – Episode 1
Mary uses a thief to catch a thief when she asks a witness to consult on a crime in order to exonerate Brandi of grand theft auto.
The episode was rated from 52 votes.
#7 – The Medal of Mary
Season 5 – Episode 6
Mary is still reeling from the flood of emotions stirred-up after having to arrest her father, James, when he unexpectedly shows up on her doorstep after being AWOL for 30 years. Bad goes to worse when Special Agent Robert O’Connor, Mary’s “favorite” FBI agent, demands her assistance to get James to provide critical information regarding his old partner-in-crime, Cormack “Sully” Sullivan, one of the FBI’s 10 Most Wanted.
The episode was rated from 55 votes.
#8 – Duplicate Bridge
Season 2 – Episode 7
An engineer blamed for a bridge collapse enters the program after being targeted by angry family members of the victims who died in the tragedy.
The episode was rated from 37 votes.
#9 – Something’s A-mish
Season 4 – Episode 6
An Amish witness comes into the program and must learn to adapt.
The episode was rated from 52 votes.
#10 – Reservations, I’ve Got a Few
Season 5 – Episode 3
When Marshall’s witness escapes from the WITSEC offices and disappears on an Indian Reservation, Mary and Marshall will need the help of a Native American detective to track him down.
The episode was rated from 49 votes.