After marriage, Shen Nanxi is pregnant. Her husband, Jiang Lichen, has already arranged the family living expenses, but the secretary who handles the expenses misleads and conceals them. The actual living subsidy given to Shen Nanxi is pitifully small, and her daily life is very tight. She communicates and asks for help many times, but is blocked by the secretary. In utter helplessness, she chooses to do odd jobs outside to supplement her life, and accidentally learns of her husband's true arrangement for family expenses. Shen Nanxi calmly collects clues and gradually uncovers the secretary's fraud.