Ma Dalton is getting married! If it’s great news for that big baby Averell who is ecstatic at the idea of a new father, Joe is mad as hell. And to make matters worse, Luke has been hired to escort them from jail to the marriage. Blinded by love, Ma Dalton has paid no attention to the machiavellian maneuvers of her son Joe: he’d like to kill two birds with one stone and knock out both his new step father and Lucky Luke. Twist of fate, it’s thanks to Lucky’s wit and wisdom that Joe is able to get rid of step-daddy...