A gifted watchmaker had a mysterious box that followed him from an early age, but failed to open it. Finally, one day he got the key to the box and found something extremely exciting when he opened it. At the same time, he also opened a dusty love and hatred for 26 years. He is fearless when he wants to know the truth, but he falls into the mouth of a wolf. How can he reverse time and space? One after another new tricks turn things around in the process of crossing again and again.