As a ruthless gang killer, Mu Chang regards completing tasks and protecting the safety of the gang's leader eldest daughter Bai Zhi as his only goal in life. However, the advent of the end times disrupted his life trajectory, and Bai Zhi unexpectedly turned into a zombie... Mu Chang gave up resistance for a while, intending to let Miss Bai Zhi end her life. , The arrival of the doomsday system not only reshaped Mu Changs right hand, but also allowed him to gain power beyond ordinary people. What surprised him more is that he can actually control the eldest ladys runaway with this mechanical arm? ! In order to find a way for Miss Bai Zhi to return to normal, Mu Chang and Bai Zhi set foot on the path of survival in the last days...