Team Scorpion must jog the memory of an injured former Secret Service agent who is their only hope of preventing weapons of mass destruction being launched from a secret U.S. nuclear silo. Meanwhile, Paige is torn when Drew suggests that moving to Maine might be the best for Ralph.

Team Scorpion heads to Mexico when a tech billionaire hires them to rescue his kidnapped daughter. Also, feelings are hurt after Walter gives an interview and fails to acknowledge the other members of the team.