When a D.E.A. and S.W.A.T. cartel take down ends at a shoot out, S.W.A.T. Agent Travis Hall seizes a mysterious prisoner carrying him into custody. In a short time, the S.W.A.T. compound is under siege from wave-after-wave of assault teams attempting to recover the prisoner referred as"The Scorpion" to the tattoo blazed across his spine. When Travis discovers his prisoner is an Essential Ops double-agent planted inside the cartel, it's up to him and his expert S.W.A.T. team to maintain"The Scorpion" along with his billion dollar keys protected.