Dr. Paige Waterford is struggling with a strained marriage and trying to find her stride after finishing her residency and beginning her career in the ER. When she meets Carly Becker, the fog begins to lift, and she feels a connection like none she's ever known.

Carly Becker has been searching for the perfect woman all her life, but no one ever seems to be just right. She must be fun and adventurous, love travel and theater, and most importantly, golf. Paige checks all the boxes, except the most important one—she's married.

Through their mutual passion for golf, a friendship grows, and Paige finds the courage to separate from her husband. Then, on a group trip to Paris, they rewrite the rules. Under Paris Rules, they explore their feelings. But is Paige brave enough to fall in love when they return home?