Zachary throws a blank check at hotel maid Hazel after an alcohol-fueled night of passion, demanding she disappear from his sight forever. Months later, a sudden fainting spell at work reveals Hazel is carrying twins fathered by the ruthless billionaire himself. When Zachary's aristocratic grandmother discovers the pregnancy, she forces the reluctant CEO into an immediate contract marriage to protect the family heir. Trapped inside Zachary's cold penthouse, Hazel endures constant venom from his jealous ex-fiancée and snobbish relatives who treat her like a calculating gold digger. Zachary remains aloof, convinced Hazel orchestrated the pregnancy for fortune and status. But when a deliberate poisoning targets Hazel and her unborn babies, Zachary’s icy exterior finally cracks as he races to uncover the traitor inside his own household. As terrifying medical complications and deadly corporate conspiracies close in, will Hazel survive the billionaire viper's nest, or will Zachary realize his love too late to save them?