Brooke juggles grueling university classes and late-night housekeeping gigs to finance her ailing younger brother's hospital bills. Stranded by an unexpected downpour while sanitizing a lavish penthouse, she crosses paths with reclusive chief executive Julian Reed, who has been drugged in a family inheritance trap. Their chaotic night together results in a positive pregnancy test and a ten-million-dollar contractual marriage proposal.
Moving into Julian's cold residence as his paper spouse, Brooke enters his corporate headquarters under the guise of an ordinary junior intern. While malicious socialites and hostile board executives conspire to disgrace her, Brooke demonstrates razor-sharp market intellect that wins Julian's admiration. Their business agreement quickly blurs into authentic intimacy, jeopardizing the secrets guarding her family.