High school girl Yang Ziyi became estranged because her good friend Chen Luyao misunderstood that she was competing with her beloved trainee teacher Luo Wei. In order to help them restore their friendship, Luo Wei invited the whole class to travel together during the summer vacation. Luyao listened to Luo Wei's history class telling the touching love story of Emperor Guangwu Liu Xiu and his beloved Queen Yin Lihua, and suggested that everyone go to Luoyang to see Emperor Guangwu's cemetery. After everyone arrived in Luoyang, Ziyi kept looking for opportunities to reconcile with Luyao, but the other party did not give her a chance. Luyao strayed into the depths of Berlin Cemetery, where she rescued a fugitive murderer. After discovering his true identity, she was hunted down, but luckily she was rescued by Ziyi. On the way to escape from Berlin, the two were overtaken by a murderer. At that time, something strange happened in Berlin, and the three of them were simultaneously involved in a black hole of time and space...
By chance, Ziyi was recognized as her daughter Yin Lihua by Mrs. Yin who had lost her daughter. She experienced unforgettable love with Yin Shi, Liu Xiu, Deng Yu, and Deng Feng, and finally found her happiness with Liu Xiu. However, she found that the good friend Lu Yao she had always missed had turned out to be Guo Shengtong between them...
The murderers who traveled through time together became a major obstacle for Liu Xiu in the founding of the Eastern Han Dynasty. Three people who also understand the outcome of history are going around, all hoping to change history and change their own destiny...