Tong Xiaoman learns that she has late-stage cancer and only has three months left to live. Will things change when she meets a man from another planet and they begin living together? The domineering Ou Ze Ye and acting student Tong Xiao Man somehow ended up spending the night together. Through their daily interactions, Xiao Man falls for Ou Ze Ye but she discovers that he is not human. Every full moon, he endures a terrible "curse" that turns him into a bloodthirsty madman. The romance between the alien prince and his terminally ill "wife" is full of sweetness..