Crash Masters: Secret Life of the Ninja (1980)

A Hong Kong ninja master and his team undertake a perilous mission to take down a powerful crime family. The mission becomes more complicated when they encounter the family's youngest member, a skilled and courageous kendo champion played by Elsa Yeung. As the conflict escalates, she gains assistance from local police and a mysterious figure believed to be another ninja (Chen Kuan Tai), who aids her in defending her family. The film culminates in a final showdown between two ninjas, showcasing impressive martial arts and highlighting the strength needed to fight for freedom.