A Chinese intelligence officer, Liu Jian, travels to Paris on a top-secret mission to aid in the capture of a notorious Chinese drug lord, who is collaborating with a corrupt French inspector, Richard. Upon his arrival, Liu is instantly thrust into the underbelly of Paris' crime world, where he quickly demonstrates his martial arts prowess. The operation, however, takes a disastrous turn when he is framed for murder by Richard, who has his own dark agenda. Now a fugitive in a foreign country, Liu must rely on his skills and wit to evade capture by the French police and Richard's henchmen.

In his quest to clear his name and expose Richard's corruption, Liu crosses paths with Jessica, an American prostitute whose life is inextricably linked with the corrupt inspector. Jessica has been forced into the life of vice in the hopes of earning her freedom and reclaiming her daughter, who is held hostage by Richard as leverage. Together, Liu and Jessica navigate the dangerous Parisian landscape, seeking evidence to prove Liu's innocence and dismantle Richard's criminal network. Their uneasy alliance blossoms into mutual respect as they battle against the odds, uncovering a deeper conspiracy that threatens their lives and those they care about.