Martial arts and cinema action superstar Jet Li plays Liu Jiuan, China's top government agent, who arrives in Paris from Shanghai to carry out a sensitive, top-secret mission. Liu becomes trapped in a vast and deadly conspiracy, accused of a murder he did not commit and on the run in a city he doesn't know. With nowhere to turn, Liu is thrown together with an American woman, Jessica, who has been forced into prostitution. As Jessica and Liu go up against the cunning and ruthless adversary who set their respective traps in motion, Liu makes a promise to Jessica that could compromise his career - and even his life.
Liu Jian, a police officer from China, comes to Paris to help the vice squad apprehend a Chinese drug lord and his unknown French connection. The French connection is Richard, the head of the vice squad, who intends to kill the drug lord then frame Jian. Jian ducks a bullet and escapes with a tape of what really happened. By chance, Jian turns to Jessica - a US farm girl who is one of Richard's hookers - for help. She has her own problems, including the fact that Richard has her daughter locked in an orphanage to keep Jessica on the streets and silent about his activities. Can Jian protect Jessica, rescue her daughter, and give Richard the kiss of the dragon?
Liu Jian, an elite Chinese police officer, comes to Paris to arrest a Chinese drug lord. When Jian is betrayed by a French officer and framed for murder, he must go into hiding and find new allies.