In the season premiere, a traumatic experience leaves Decker in rough shape. Davidson recounts a time when Decker helped him win a presidential election.

Decker is visited by his oldest friend Lanoi, who tells the story of a much needed vacation in New Orleans.

After a fellow veteran is murdered, Decker's search for the truth leads him to take on the healthcare system.

Decker in the desert as he finds another agent after his own heart, and an emergency surgery for Kington.

Decker gets some much-needed time off only to find he is needed to help the passengers of a hijacked Film Buff cruise ship.