Five years later, they met again in their respective lives and found that they still missed each other's ignorant love when they were young, but they both had reasons why they couldn't get close to each other. Two people working in the same company endured suffering but could not suppress their love for each other. They loved each other in their own way amidst conflicts, but inadvertently uncovered the misunderstandings and secrets of the year one by one. It turns out that everyone around them participated in their stories intentionally or unintentionally, and rewrote their endings...