One night 2000 years ago, the general Lin Xian met the girl Heng Tian on the road and married them. The two were to get married three months later under the arrangement of the young prince Liu Wu. On the night of the wedding, Lin Xian was stabbed to death in a chaotic knife battle to save Heng Tian. Heng Tian accidentally got a magical object "Xinggong Plate" from his father. After activating it, he actually returned to the time before the wedding. However, Heng Tian's repeated rescues could not change the outcome of Lin Xian's murder. He had to reveal the overall plan of the mastermind step by step through the known clues. In order to find out the truth, she followed the mastermind to the future 2000 years later. She thought she could be with Lin Xian for life this time, but she didn't expect to fall into the trap of the mastermind. She fell into a brand new time and space puzzle. Is it only by giving up marrying Lin Xian that she can...