When the insidious Japanese Ninja is corrupting the police force, only one man can take on the cunning enemy from the land of the rising sun! With powerful clashes of Ninjitsu and Chinese kung fu, Ninja vs. Bruce Lee is kick-butt Bruce Le action galore! Cut 'n' paste job courtesy of Joseph Valesco with footage from Return of Bruce, My Name Called Bruce, and Enter the Game of Death.
A ruthless Warlord from Manchuria builds a martial arts labyrinth that contains 18 martial art amazons, many try to enter but none leave, until Dragon Lee, seeking to avenge his father.
El joven Tang How-Yuen es discípulo de Chang San-Thye, un gran maestro de kung fu. San-Thye gana un torneo de artes marciales pero es asesinado por Chung Chien-Kuen, un maestro rival que le arrebata el símbolo del torneo. Entonces, Tang jura vengar a su maestro. Al cabo de tres años, junto a la viuda y la hija del desaparecido San-Thye, van en busca del asesino. Cuando lo encuentran, comprueban que su enemigo se ha cortado una pierna debido a la culpa que arrastra desde aquel fatídico día. La viuda del maestro cae enferma, así que Tang va a trabajar para otro clan rival para conseguir medicinas. Sin embargo, mientras está trabajando, le acusan de la muerte de un joven y la viuda de San-Thye es envenenada. Tang y el maestro cojo unen sus fuerzas para derrotar al señor que envenenó a la viuda de San-Thye.
Returning to his home after serving a prison term, Ma-Ryong gets angry because his wife became a whore. But he forgives her past and hands $100,000 which he got as a bonus from a secret mission he was to take, telling her to go to a remote place with his mother. In the meantime, Ma-Dae, a boss of Hong-Kong operating criminal organization, is negotiating with Sasaki in Japan for purchase of some firearms. Ma-Ryong is to execute this secret mission. With the Interpol's intervention, Ma-Ryong is to break up the Sasaki gang with Dae-Ho.
