Huang Hudie (Maggie Shiu) is a frustrated screenwriter. After many twists and turns, she has fallen to the point of discussing adult films with her bestie Ajuan (Teresa Mo). Hu Die's neighbor, police officer Lui Kei (Tony Leung), has a crush on her. After saving the beauty, the latter accidentally got the key to her house. However, his uninvited visit ended in a panic. Because her career suffered a series of setbacks, Hu Die decided to commit suicide by the river. However, she was cowardly and finally did not commit suicide. Instead, she accidentally disturbed a pair of cheating mandarin ducks. The latter fled in a hurry, but left some personal belongings. In order to return the property to the original owner, Hu Die and Ajuan went to the door together, but accidentally got involved in a bloody case of black eating black. Before leaving, Hu Die, who escaped by chance, left a note with Black Rose, but Ajuan was identified by the police because she left a handprint. As a result, Black Rose becomes a hot topic in the city, which attracts the attention of the leader of Black Rose (played by Feng Baobao) and the senior sister (played by Huang Yunshi), and thus a complicated battle for love begins...