Xia Yue is falsely accused of causing the death of Han Xue, Lu Jingshen's wife. In a fit of rage, Lu Jingshen sends Xia Yue to prison to atone for her supposed crime. Meanwhile, he learns that his son, Lu Nian, has congenital leukemia. Desperate to save the boy, Lu Jingshen forces Xia Yue to have sex with him, solely to make her give birth to a child who can save Lu Nian. Xia Yue gives birth prematurely to a daughter, Lu Yu'er, in prison, but Lu Jingshen takes the baby away. After her release, Xia Yue goes to the Lu family to demand her child back, only to be forced to stay as a maid and care for her own daughter. When Lin Youyou sabotages the bone marrow matching process, Lu Yu'er is found incompatible with Lu Nian. Enraged, Lu Jingshen prepares to throw Lu Yu'er out of a window...