In the trailer for Reacher season 3, Alan Ritchson's titular hero goes behind enemy lines to save a DEA informant.

According to the official logline, “In the third season of the action-packed series, Reacher (Alan Ritchson) hurtles into the dark heart of a vast criminal enterprise when trying to rescue an undercover DEA informant whose time is running out. There he finds a world of secrecy and violence—and confronts some unfinished business from his own past.”