High-school student YAO Ke-xun is kicked out of the elite class. Her first love cheats on her, and she falls into a coma after a school bus accident. However, she is sent one year into the future to peek into what awaits her. She witnesses her mom and herself being incredibly joyful and happy. However, attaining this happiness comes at a cost—she loses someone important. Is this just a dream, or a warning from the future? Every choice she makes is connected to future outcomes. How can she keep her mom happy and protect the important person at the same time?