Using a screwdriver and bug spray, MacGyver must find the U.S. government mole who is leaking classified intel to the organization that is trying to take down The Phoenix Foundation. Also, Sarah returns to help with the mission, and Nikki reappears, but Mac can't tell which side she's on.
Elenco: Lucas Till , Tristin Mays , Justin Hires , Meredith Eaton , George Eads , Isabel Lucas , Henry Ian Cusick , Levy Tran .