The female director Sang Ru fell into a relationship that made her feel a little troubled. In the push-pull love game with Zhou Tingzhao, she unexpectedly returned to her college days 10 years ago.Sang Ru, who was 30 years old, retaliated against the man Dazhou Tingzhao in a series of “” revenge, and gradually touched the background color he wrapped under the shell.After experiencing the butterfly effect again and again, they finally have the courage to face life, heal each other, and save each other.