Kung Fu Jungle,[3] also known as Kung Fu Killer and Last of the Best, is a 2014 Hong Kong-Chinese action thriller film directed by Teddy Chan and starring Donnie Yen, Wang Baoqiang, Charlie Yeung and Michelle Bai.

[7] Hahou Mo is a martial arts expert and police self-defense instructor, who is incarcerated for involuntary manslaughter during a fight with an opponent.

Hahou learns about Wing-Yan's death and tells Inspector Luk Yuen-Sum that he offers to aid her in capturing the killer with his martial arts skills in exchange for his freedom.

Hahou and Luk deduces that another two masters Tam King-yiu and Wong-Chit will killed by Yu-Sau, which is proven correct.

In the aftermath, Hahou gets permanently released from prison, where he is later appointed again as the police self-defense instructor and also forms his own martial arts school.