Li Aimin and Zhang Wan went from being playmates with crotchless pants to being confidants who talk to each other about everything, with only one confession between them. However, the family turned against each other and turned the distance into a world away. Throughout their youth, they deliberately avoided each other's world. Until many years later, they met by chance in the hospital. Through the car window and the years, they recognized each other and the scar that had never healed. The most familiar stranger, a "missing" that lasted for several years, finally solidified into a silent look at each other - will fate let them pass by each other this time?
