Migrant worker Lu Yuan suffers relentless bullying—his steamed bun crushed under the foot of a rich heiress, dumped by his girlfriend, and evicted by his landlord for unpaid rent. With nowhere left to turn, a mysterious stranger appears at his door, offering him a staggering 10-billion-yuan inheritance—but only if he marries Xu Qianqian, the daughter of the powerful Xu family. Overnight, Lu Yuan becomes a top-tier billionaire… yet the will demands absolute secrecy.