Malory hires an adventurer named Rip Riley to find Archer, who has been missing since his fiancée was murdered on their wedding day. Rip finds him on a tropical island, but Archer has no interest in leaving.

On the tropical island, Archer has emerged as Pirate King and must deal with it. Meanwhile, his ISIS colleagues keep up their attempts to rescue him. Sort of.

Archer and his fellow prisoners attempt to escape from the Pirate Fortress. Meanwhile, Malory plays hardball in ransom negotiations.

With the UN voting to outlaw independent spy agencies, Archer and the gang have to work outside the law to save the world from an unlikely duo.