Qi closed her eyes and fell asleep in the warm embrace of her girlfriend Yuanzi… only to wake up 10 years in the past! Now back in high school, Qi sees this as the chance to save the love of her life from becoming terminally ill. But little does she know that her teenage self is in her adult body, with no clue about the life she's built and the precious time she has left with Yuanzi. Throughout it all, with each other by their side, can their love conquer every obstacle, in any timeline?