Lin Youran and Su Chen fell in love after meeting each other and spent a sweet time, but they were faced with a decision due to the crisis in Su Chen's family business. Su Chen had no choice but to marry someone else, and Lin Youran left in pain and closed herself off. After that, the two met again and pretended to be indifferent, but Su Chen felt guilty and Lin Youran recalled the torture. They exchanged letters and struggled internally. Finally, Lin Youran decided to let go and start a new life. However, an unexpected reunion and a long midnight conversation made them re-examine each other. In the new project, Lin Youran faces challenges, Su Chen lends a helping hand, and the relationship between the two becomes subtle. Since then, they have experienced misunderstandings and clarifications, and the distance after their reunion has allowed them to maintain a delicate relationship. Lin Youran's new love affair sprouts, and Su Chen is also reflecting on himself. In an accident, Su Chen anonymously helped Lin Youran solve the project crisis. Their fates intersected again in the parallel world, and the future was full of suspense.
