After catching her fiancé cheating, Joyce decides to freeze her eggs but is accidentally inseminated with billionaire Zack's sperm due to a clinic mix-up. Pregnant and vulnerable, she is protected by Zack from his vengeful ex-wife and her greedy ex-boyfriend. Tricked into a contract marriage, Joyce slowly falls for the billionaire. Together, they overcome kidnappings and family drama, culminating in a grand banquet where Zack publicly claims her as his true love.