Seven years ago, a fleeting, passionate night left them both with memories and a secret child he never knew existed. Now, facing family pressure and a holiday deadline, they enter into a pragmatic contract marriage, completely unaware of their shared past. As they navigate the charade of being a happy couple for Christmas, old sparks reignite and hidden truths begin to surface. He is a powerful billionaire playing the role of a rented husband, and she is a single mother guarding her heart. When the truth about their child and that fateful night is finally revealed, will their fake marriage crumble, or will it blossom into the real love they’ve both been searching for?