In the final episode of the series, Michael Westen finds himself in a standoff between Fiona and Sonya: between loyalty and betrayal. Michael was planning on turning against the CIA and allying himself with Sonya, but when Sonya tries to kill Fiona for getting in their way, Michael shoots Sonya dead.
Michael's now back on the right track, but it's too late: not only are James and his entire organization gunning for Michael, but now the CIA is, as well. Because Michael didn't make good on his agreement to take James and his entire organization down within 48 hours, the CIA has opened up a manhunt for Michael and his friends, releasing their pictures to every law enforcement agency in Florida.
With their faces all over the news and everyone in Miami chasing after them, Michael and the team have no choice but to go ahead and finish the mission. Michael is going to take down James and his network, once and for all, or die trying.
Michael learns that James has a communication relay center hidden in an abandoned building in downtown Miami. Inside, there's a hard drive that records every message that passes through there. Michael plans to get the hard drive and deliver it to the CIA, so they can locate and neutralize every member of James' terrorist organization.
But before Michael can get the hard drive out, James surrounds Michael, his friends, and his family. The only way to see this final mission through is if a terrible sacrifice is made.