Synopsis of the story of "Love Song of Time: The Promise of Reunion"
During the Spring Festival in 2000, newlywed wife Su Yao was returning home on a black minibus, but something unexpected happened while passing through a mysterious tunnel. After the strange lights and shadows flickered and the strong light struck, she actually traveled to the modern society 23 years later. Her appearance remained unchanged, and she was shocked to find that the outside world had changed.
With the help of the police, Su Yao reunites with her former lover Lin Yu. At this time, Lin Yu was already a mature entrepreneur. He took Su Yao back to his love nest full of memories and accompanied her to adapt to the new era. However, Lin Yu's frequent mysterious phone calls, deliberately concealed expressions, and Su Yao accidentally bumping into his close interaction with the teenager caused misunderstandings and suspicions to gradually arise. As the truth was revealed, Su Yao found out that Lin Yu had been guarding her until now, and that the boy was actually the younger brother born to his parents to preserve their bloodline. Moved and guilty, the two regained their old affection.
Just as they were preparing for their wedding, the mysterious organization behind the time-travel incident appeared. In order to explore the secret of the folding of time and space and obtain powerful power, the organization is eyeing Su Yao. Su Yao made a difficult choice between going back to the past to rewrite her destiny and protecting her current love, and Lin Yu always stayed with her. In the end, with wisdom and courage, Su Yao used the special abilities given by time travel to unite everyone to smash the conspiracy and close the rift in time and space. After going through the test of life and death, the two finally got married, and Su Yao devoted herself to the study of time and space. Their love legend spanning time and space has also become a symbol of hope and true love.