Set several years before the events of the original Desperados, Desperados III follows the early adventures of bounty hunter John Cooper as he begins assembling the legendary team that fans know from the series. Traveling across the harsh and unforgiving American frontier, Cooper joins forces with skilled allies including Doc McCoy, Kate O'Hara, Hector Mendoza, and Isabelle Moreau. Together, they pursue dangerous outlaws, uncover criminal conspiracies, and confront powerful enemies who threaten innocent lives. As their journey unfolds, each mission combines stealth, strategy, and teamwork, leading the group through deserts, swamps, frontier towns, and mountain strongholds. The story focuses on loyalty, revenge, and friendship, showing how this unlikely band of specialists became one of the most feared and respected crews in the Wild West.