In Plain Sight centers on Mary Shannon. She plays a U.S. Marshal in the witness protection program. Her goal? To help relocate federal witnesses.
Shannon is based in Albuquerque and works with her partner, Marshall Mann. When not placing her life in danger as part of her job, Mary tries to manage her crazy family, which includes overly dependent mother, Jinx, and younger sister, Brandi. They both live with her.
Shannon also has a boyfriend: Raphael Ramirez, who plays minor league baseball.