Sister Street Fighter (1974)

In Sister Street Fighter, a female martial artist seeks revenge after her brother is thought to be dead and her sister is raped. She infiltrates a drug ring operated by a female yakuza and uses her skills in martial arts to take them down. Along the way, she encounters betrayal, secret doors, duels, and a strong female character who is not afraid to fight back. This grindhouse film from Hong Kong is filled with action, kickboxing, and intense fight scenes, making it a must-watch for fans of martial arts movies.