In her senior year of high school, Lin Wei's secret was like a medicine bottle with the label worn off in her school uniform pocket, hiding the countdown between her and a failing heart. When the transfer student Jiang Yi broke into her world with a wrong question book and the scent of soap locust, love became a pain that was harder to bear than illness. She painted the sycamore tree, and one leaf knew the autumn; he waited for the midsummer for a lifetime. This youth is destined to end amidst the chirping of cicadas, but they insist on betting on eternity - if there is only one summer left in life, will you love me bravely once?
Intention: In the exact countdown of life, explore how youth uses love as a boat to cross the shadow of death, and finally confirms the value of "eternity" in "limitation".