In the late autumn of 1937, Gu Yuyao, a female middle school student in Hangzhou, found a ginkgo leaf with flight formulas in the library, and met Lu Anxun, a student at Jianqiao Aviation School. In the smoke-filled era, they grew up side by side in a hangar where the smell of engine oil and osmanthus were intertwined, and they used pens to write oaths on the veins of leaves. When Lu Anxun rushed to the front line, the ginkgo leaf became a token that spanned time and space. Eighty years later, aviation researcher Gu Yuyao touched history in the archives of quantum entanglement and discovered that those missed embraces had long since turned into stars, completing an eternal reunion in the folds of war and technology.
Purpose: Love in the Republic of China