She is a top assassin in the killer employment center. Who knows that she was sent to the bed of the boss of the Night Empire by the little aunt with a bowl of drugs. She was also pregnant with a baby. When she wanted to ask the little aunt who the father of the child was, the little aunt Run away with oil on the soles of her feet... Six years later, she took her five-year-old baby around looking for her little aunt, but was accidentally involved in a gangster dispute. The baby was captured by the people of the Dark Night Empire by accident. Disguised as a man and pretended to be a driver, lurking around the boss of the Night Empire as an undercover agent...