A marriage contract tied two people who had been fighting since childhood together. Due to a drowning accident, Ji Rongyue, a 20-year-old gifted medical genius in the 21st century, time-traveled into Nalan Rongyue, the 12-year-old eldest daughter of the prime minister's family. When she traveled to this world, she fantasized countless times that she would marry someone in the future. A handsome young man with a dignified appearance and gentle manner, but what he didn't expect was that the person he had been fighting with since childhood turned out to be exactly the same as her childhood sweetheart in the 21st century. One day when she married him, she unexpectedly discovered that her husband seemed to have traveled through time. He seemed to be her childhood sweetheart Song in the 21st century.
Intention: love