In the eyes of outsiders, Song Yin is a quiet, well-behaved and well-behaved girl.
Few people know that beneath the docile exterior lies a little bit of unknown stubbornness and rebellion.
At dusk in April when the locust flowers were falling, she saw the young Lin Huai under the tree from a distance, and a long secret love quietly took root.
The pride of heaven is so dazzling that she only dares to fold her thoughts into paper airplanes and put them away quietly, never showing them to anyone.
After unexpectedly failing the college entrance examination, everyone advised her to compromise, but Song Yin, who had always been obedient, resolutely chose to repeat her studies and endured a lonely winter alone.
Rushing to the same city a year late, meeting again after a long absence.
It was many years later that Lin Huai found the yellowed paper airplane in her old dowry box.
It turns out that the girl's long and turbulent heartbeat started for him many years ago.
Concept: A girl with a docile appearance carries a long-term secret love, goes through setbacks and grows alone, transcends time distance and regrets, and finally goes both ways with the heartbeat of her youth. The story depicts a long-lasting campus crush and explores persistence, waiting and self-transformation.