13-Year-old Su Yi meets 13-year-old Ji Jinchen. One is laughing, rebellious and unruly, while the other is calm and withdrawn. The two had the best time, but an "accident" came and separated them, and Ji Jinchen left without saying goodbye.
The two met again in the same summer three years later. Maybe it was fate, maybe it was intentional, or maybe it was a person's longing for each other. The estrangement was temporarily forgotten, but in an accident, they both learned what the other party was thinking. In fact, the estrangement only came from their own self-blame. Who knew...
Purpose: redemption