23-year-old Mia Sullivan is an unemployed fashion editor who just moved to the big city to look for work and cannot afford rent. Shane Johnson, Mia's long-lost childhood sweetheart, appears to be a cold young man 'kicked out of his home for being a kept man', but is actually a wealthy heir cut off from financial support by his family. The two are accidentally selected for the variety show Who's the Real Billionaire Couple, and must pretend to be a 'billionaire couple' to compete for a million-dollar prize. Mia signs up reluctantly for the money, while Shane is forced to keep a low profile due to family restrictions — thus begins the absurd partnership between a 'pretending-to-be-poor heir' and a 'wild drama queen'. The real rich man pretends to be poor, while the poor girl pretends to be rich; they dislike each other but are forced to work together as a pair. Other guests are eyeing them, ready to expose their disguise at any time. During this process, Mia mistakenly thinks Shane is a kept man, but cannot help developing feelings for him. Shane recognized Mia as his little childhood sweetheart from their first meeting, holds a faint fondness from childhood, and is gradually drawn to her authenticity and mischief, developing romantic feelings for her. In the first voting round, Mia ranks last. At a critical moment, Shane uses his connections to help Mia pull off a stunning comeback, shooting her straight to first place. Later, Mia exposes Luna Lane and Sean Shaw's fake rich identities, eliminatin
