Aying, a young white-collar worker in the city, once traveled through time, put on a man's skin and transformed into a guard with a knife. She accidentally learned that her boss Yan Hongyi, who was living and drinking, was actually the fiancé of the system delivery. I call you brothers, but you actually want to sleep with me? Aying was dissatisfied with the arranged marriage, took off her manhood, turned around and hugged her best friend Qianqian's lap. Unexpectedly, Qianqian was killed because she became a tool of political conspiracy. When Aying investigated the real culprit, she discovered that Yan Hongyi was also involved. Who dares to want such a husband! The two started a bloody drama of chasing each other, falling in love and killing each other. During this period, Aying met Qin Shuang and He Shan, who were also time travellers, and learned that the mastermind behind the control of the world was planning a huge conspiracy, and she was actually a pawn in it. Her best friend died tragically and her lover was betrayed. Faced with this unfortunate fate, where will Aying go...