Lin Hanmu, a brilliant but socially awkward botanist, discovers a rare black rose with terrifying properties—only to have her research seized by Gu Mosheng, the ruthless CEO of a pharmaceutical empire. When he drags her into his high-stakes world, she realizes two things: 1) her flowers are being weaponized, and 2) the man who terrifies the business elite secretly tends a hidden garden… just for her. But in a game where petals hide poison, can love bloom without destruction?