When Song Wei's fiancee Luo Qun is denounced as a right-wing traitor by Party official Wu Yao, he is sentenced to ten years' hard labor. Song Wei breaks off her engagement, and eventually marries Wu Yao. Years later, after the Cultural Revolution, political currents have shifted; Song Wei demands...
It is a story about the Chinese police who intelligently and bravely fight with the cooperation of the factory's Party Committee and the masses, against the spies, who steal the navy's equipment "Hunting No.99".
With the fishermen's life on the southeastern coast in the early 1960s as its background, the film depicts a group of militia women who work both as fisher women and fighters defending their homes and the motherland.