Still mourning the death of Li Mu Bai, Yu Shu Lien returns to safeguard his sword, the Green Destiny. Hades Dai, an underground warlord, sends his lieutenants to steal the sword , with plans to dominate the martial world. A young mysterious swords-woman and the hero with a past, Silent Wolf , comes to Shu Lien's aid, together with a disparate band of warriors who still believe in the iron way of honor.
When a young monk is forced to leave his impoverished monastery, he relies on his extraordinary martial arts skills to survive in the outside world. In search of a mentor, he crosses paths with a Kung Fu master who is in possession of the Book of Secrets, which reveals the lost art of the deadly Ape Strike Kung Fu technique. The rare book is coveted by a sinister father and son who will go to any extremes to obtain it. The monk finds himself immersed in a deadly battle to protect both the book and his master.
A disgruntled teenager, sent to do community service at a rundown Karate school, enters an MMA tournament to face the man who killed his parents.
Jake (Sean Faris) moves to Orlando, Fla., with his mother (Leslie Hope) and brother (Wyatt Smith). He feels like an outsider in his new school and frequently lets his temper flare out of control. But Jake wants to fit in, and he decides to go to a party with his classmate Baja (Amber Heard). There, Jake is pushed into a fight and humiliated. Another classmate (Evan Peters) sees what happened, and encourages Jake to visit martial arts trainer Jean Roqua (Djimon Hounsou).