He is civil servant Zhang Xiaofeng, and she is student Su Nianzhi, eight years apart. When they first met beside the locust tree, he picked up her drawings and her heartbeat. Concerns about identity, worldly outlook... The rejection of Yuye's confession shattered her last obsession. Reunited after many years, the belated "I love you" is ultimately no match for the "I'm married".
Concept: The age gap and identity barriers make it difficult to love. It's not that you don't love, it's that you dare not love or cannot love. Eventually, over time, it will lead to a lifetime of unhappiness.