What happens when you're legally married to your psychotic ex... but contractually married to his billionaire twin brother? Hours before announcing her engagement, Sabrina discovers another woman's underwear in her fiancé's pocket and watches four years of love go up in flames. Desperate to save her dying sister, she agrees to a contract marriage with billionaire CEO Miller Guidotti. The problem? Miller is her ex's twin brother. The bigger problem? She's still legally married to her ex—and if he finds out, he'll do anything to stop her from ever belonging to another man. Will her ex find out?