The female director Sang Ru fell into a relationship that gave her some headaches. During the push-pull love game with Zhou Tingyi, she unexpectedly returned to her college days 10 years ago.Sang Ru, a 30-year-old soul, carried out a series of revenge% on the male elder Zhou Tingchu, and gradually got to know the underlying character wrapped in his outer shell.After experiencing the butterfly effect again and again, they finally have the courage to face life, heal each other, and save each other.