Amid the flames of war, siblings Shen Yan and Shen Yan, together with Su Nian, protect the secret of a virus serum. Every patch of beggar-ticks in Qingxi Town, every mark etched into the microscope, holds hope bought with lives. They fight brutality with deception and pave the way forward with sacrifice. Years later, the stitches on an embroidered screen and seeds carried on the wind still tell of a steadfast resolve that was never extinguished.
