Because Guo Dang was obsessed with his older brother Lu Zheng, whom he liked when he was young but disappeared, he traveled to the time when his mother was pregnant and met the young Lu Zheng and his mother. While getting along, they learned about the fact that their biological father Guo Yue was in prison, and also revealed the grudge between his uncle Tao Jiangnan, who took care of him when he was a child, and his parents, and learned about the past that Lu Zheng and his mother Guo Yichen were dependent on each other and became his nominal father. When her mother gave birth, Guo and others returned to their own time and space. Later, Lu Zheng also traveled to Guo et al.'S world. The reason why Lu Zheng disappeared when he was young was finally found, and the two continued to fall in love in 2023.
