Synopsis of the story: In high school, Lan Ling and Lu Chen were inseparable "buddies". They had secret feelings for each other, but due to their low self-esteem and misunderstanding in their youth, they unfortunately missed each other at the crossroads of graduation. Years later, Lan Ling has become a capable and independent CEO of a start-up company, while Lu Chen, after a failed marriage, became an ordinary employee raising his son alone. An accidental class reunion reunited the two. Lu Chen looked at his son's eyes longing for maternal love, and the emotions and guilt that had been silent for many years surged into his heart. He is determined to make up for the regrets of the past, and for the sake of his children and himself, he bravely recovers the girl who has been hidden in his heart for many years. However, what stands between them is not only more than ten years and completely different life trajectories, but also Lan Ling's outstanding suitors, the entanglement of Lu Chen's ex-wife, and their inner fears of past pain and future uncertainty. This is a journey about courage, growth and healing. How a single father breaks the barriers of reality and falls in love with his former "brother" and now "queen" across time and again.