Sheng, a teenager who has lost memories of his past, returns to his childhood town to search for what he has ‘lost’. He meets Yiyao, and it’s love at first sight. At the Summer Festival, he shyly confesses, and she accepts. But the next day Yiyao loses all her memories of him. How did she lose them? Or is his memory playing tricks on him?

Sheng, a teenager who has lost memories of his past, returns to his childhood town to search for what he has ‘lost’. He meets Yiyao, and it’s love at first sight. At the Summer Festival, he shyly confesses, and she accepts. But the next day Yiyao loses all her memories of him. How did she lose them? Or is his memory playing tricks on him?