From their first meeting in the hollow of a locust tree in fourth grade to their farewell on the avenue of plane trees after graduating from university, the story of Tang Lina and Wang Xing is forever bound by "cherry blossoms" and "gears" in the folds of time. One is an art student who captures fleeting beauty with her paintbrush; the other, a mechanical genius who builds everlasting motion with gears. Their meeting is like the first meshing of a cherry blossom and a gear, leaving deep tooth marks in each other's worlds.
