Legendary horse trainer and cutting horse champion Katie Stone has had enough. She willingly put her career on the back burner to marry her real-life hero and be a mom. Four kids later, her hero is emotionally missing in action, uncommunicative, and the worst blow of all for Katie, Mack has become physically shut off from her. She didn't sign up to be a working, single mom when she married Mack. If something doesn't change soon, one of them is walking out the door and not looking back. Mack Stone - Not going to happen.