Lady Stefanie and her friend had hired this guy to work for them and he was supposed to do things the way they wanted. But he did not do them as he had been instructed necessitating him to be punished. And that is how he ended up getting his ass whooped. The mistress spanked his naked ass to make him feel pain and associate it with being lazy and not doing his job properly.
Lady Stefanie did not want her husband to get used to being drunk. So when he came home drunk, she made him sober up by whipping and spanking his naked behind. The pain made him sober up but she did not stop. She made him realize that anytime he came home drunk, he would have to endure a painful punishment. He learned his lesson and stopped drinking to the point of getting wasted.