At an annual gala, accountant Sienna is stunned when four-year-old Zoe calls her Mommy and ruthless CEO Casper Hawthorne Daddy. Instead of firing her, the feared billionaire offers a $5M/month contract marriage with one rule: never fall in love. But as Zoe’s time-travel secrets unravel and Casper’s hidden tattoo of Sienna's name is revealed, she realizes this fake marriage is actually an eighteen-year obsessive trap of true love.
