On a stormy night, Su Qinghe, heiress to the Su family, clutches the documents for a crucial patent and knocks on the door of Lu Group CEO Lu Zhiheng’s office. Her family has fallen into ruin, her father is in danger, and a crisis has left her with nowhere else to turn. Inside waits Lu Zhiheng, a ruthless and cold-blooded investment tycoon. A contract wagered on survival begins beneath the curtain of rain. As the author writes, they are consumed by an obsession with “a glimmer of light in the darkest hour”: heartbroken to see her fall into such desperate straits, yet eager to watch her wield resilience as a blade and find unexpected redemption and burning sincerity amid the battle for profit.