When Katrina's ex, Tom, turns up on her doorstep, he's literally the last person she was expecting to see. After dumping her and running off with a vanilla chick, Tom broke the Domme's heart and left her seriously hurting. So when he returns, begging for another chance, Katrina is understandably very confused and protective of her bruised feelings. She finds it very difficult to believe that he's turned his back on a vanilla lifestyle for good and wants to be with her, a professional dominatrix. Rather than letting her head or her heart figure out what to do, whether to forgive him, she decides to put Tom through a series of challenges that will prove his devotion to her -- or not. Testing Tom is not something she'd ever expected she'd have to do, but to her, it's the only way she can be sure whether he's back for good.