Five years ago, Xu Zhiyao left Lu Jingchuan with only a resolute breakup. Five years later, they unexpectedly reunited at a class reunion. Lu Jingchuan is the high-ranking, cold, and aloof CEO of the Lu Group, and Xu Zhiyao is the forbearing, resilient architectural designer carrying the heavy burdens of life alone. Through a tug-of-war of probing, Lu Jingchuan senses the hidden reason behind the past breakup. As the sealed truth is uncovered layer by layer, the love and obsession buried for five years can no longer be hidden anywhere. Crossing the missed time, they resolve their emotional knots, find each other again, and finally achieve completion.