Jack and Kelly had been married just over five years when things went sideways. Kelly's sister's husband has always competed with Jack to make sure Jack knows that Paul is superior in everything. Over the years, Jack has noticed the attention that Paul gives to his wife. When Kelly spends the entire day alone with Paul on that Saturday, there is no doubt in Jack's mind that Kelly has cheated with Paul. Jack does not just get mad, he is going to get even. He is going to show Paul that there is nothing worse than a husband scorned.