The team are called to Arizona to investigate a series of codes left by a suspect following two brutal murders.
Cal seeks revenge on Coulson by assembling a team of Super Villains to destroy S.H.I.E.L.D. Meanwhile, May calls on renowned Dr Andrew Garner, her charismatic ex-husband, with a crisis that threatens to tear the team apart.
Election Day rolls around and with his stake of the NFL team in writing, Ray prepares to take down a rival bidder. Mickey has to find a way to keep the prostitutes working.
Callen and the team confront their vengeful adversary, the Chameleon, when an undercover case ignites a deadly mind game orchestrated by the criminal mastermind.