Brie Larvan breaks out of jail and turns up at Palmer Tech threatening to kill everyone unless she gets the bio-chip that is implanted in Felicity’s spine. When Oliver realizes that Felicity, Thea and Donna are trapped in Palmer Tech with everyone else, he looks to a surprising ally to help Team Arrow save the day.
               
              
                Casts: 
                Stephen Amell, David Ramsey, Katie Cassidy, Rick Gonzalez, Katherine McNamara, Juliana Harkavy, Joseph David-Jones, Ben Lewis