What's worse than discovering your silver-fox boyfriend is married? Finding out you just unknowingly slept with his smoking-hot son. When single mom Marnie discovers her silver-fox boyfriend is married, she hits the bars with her besties and winds up having the night of her life with a smoking-hot attorney, Max. The next morning, however, Marnie discovers a family portrait in Max's kitchen that changes everything and sends her bolting away like her hair's on fire. Poor Max has no idea what caused Marnie to leave without explaining herself, but after their once-in-a-lifetime night together, he's determined to find out.