Ming Cancan lives a double life. During the day, he is an ordinary student who is often bullied in an aristocratic school. At night, he transforms into a professional crime scene cleaner, covering up troubles for the rich. During a mission, she accidentally discovered that the deceased was Ruan Duo, a classmate who bullied her during the day. As she dealt with Cheng Shaoyun, the second-generation rich man involved in the case, she uncovered the truth about her family's past - the deaths of her father and sister were closely related to the Cheng family. In order to take revenge, she worked step by step, united with the families of other victims, and finally exposed the Cheng family's sins in the spotlight, completing justice and self-salvation.
