Zero Woman: Red Handcuffs (1974)

Yoshiaki Nakahara (Hideaki Kohara), who has just been released from prison, and his accomplices harass a dating couple on the beach. They kill men, rape women, and want to sell them for the sex trade. By chance, Nakahara learns the true identity of this woman named Nagumo Xingzi (played by Kishihiro Miki). Aokiko is the daughter of the next prime minister candidate Yogo Nagumo (played by Tetsuro Tambo). She is dissatisfied with the marriage her father arranged for her for political purposes and is determined to find true love. Nakahara realized that good luck was coming, so he kidnapped Xingzi and extorted a ransom of 30 million yen from Shango. In order to secretly rescue his daughter, Shan Wu asked for police lesson 0. The so-called lesson 0 refers to secret search organizations. They use methods outside the law to pursue criminals and solve difficult problems for political figures. One of them is the beautiful and strong policewoman Zero (Miki Sugimoto), who is sent to prison for killing a perverted American diplomat. The top police officials used the acquittal as a bargaining chip to reinstate Zero to track down Zhong Yuan and his gang...