Set during China's Cultural Revolution, the story revolves around Wu Dawang, a dedicated soldier who becomes entangled in a forbidden affair with the wife of his commanding officer. As their relationship intensifies, Wu's loyalty to the Communist Party is tested, leading him to question the rigid ideologies and oppressive systems that govern his life. The narrative explores themes of power, rebellion, and the human desire for personal freedom amidst a backdrop of political turmoil and societal constraints.