Although all 3 parts of the movie are played by 3 different actresses, the content and situations are almost similar and very stimulating. Since the younger brother got married and began to separate Living alone with his family, the relationship between the two brothers gradually grew distant and blurred. For this reason, today the older brother decided to come home to visit his younger brother and his wife with the aim of helping the relationship between the two become stronger and more attached. But unfortunately, there was An unexpected incident happened. While touring the house, the brother accidentally saw his sister-in-law watching porn while masturbating. Something started to arise in his mind. thoughts: is it because his younger brother is physically weak so he can't meet his wife's needs or is it because her sexual needs are too high so he can't meet them? While thinking, he peeked at the times she reached into her vagina and drops of water also began to flow out, looking very aroused. Being a hot-tempered and decisive man, his initial thoughts quickly disappeared and were replaced by the desire to taste his sister-in-law's body once. Having said that, he did not hesitate to rush into her and begin to fulfill his desire because he knew that she also wanted this to happen.