In front of Yoon-ju, who is working as a stewardess, a middle school alumni official comes to visit after 10 years. A set meal that appeared in such a wonderful shape that it was impossible to find it in its former form. Yoon-ju tries to reject her formality, saying that he is already married, but in the face of her constant temptation, she eventually collapses at her helplessness...

If you give it once, a good brother-in-law who gives everything generously will come! At the house of her girlfriend Jin-kyung, who lives with pumice stone, her brother and his wife suddenly visit and the four of them live together. At first, Kyung-seok, who was burdened by his girlfriend's brother, began to keep his eyes on his wife, Yeon-su. A bold brother-in-law who walks around in no-bra and panties without hesitation even at his sister-in-law's house. Besides, from a certain moment, he starts to send a hand of temptation to Pyeong-seok first...