As a young man, Zhou Puyuan had an affair with his family's maid Shiping. Driven out without her elder son Zhou Ping, Shiping jumped into a river with her younger son, but was rescued by Lu Gui. She went on to marry him, and had a daughter - Sifeng.
Years later, Zhou Puyuan, now a man of status, married Fanyi, twenty years his junior, and had a son by her. Fanyi and Zhou Ping share an illicit relationship. But both Zhou Ping and Fanyi's son start to show an interest in the new maid - Sifeng.
Shiping reappears in the Zhou household, as a storm gathers overhead, and begins to reveal the real connections between the families, with dire consequences for every one...