Two friends vacation on Jeju Island and meet up with young men who they knew. After a hot night, the girls meet the men again and enjoy a pleasant trip to Jeju Island.
New employee Ho-seok is warned by the shooter to watch out for Lee Ji-sun. It turns out that Ji Sun was a new killer male employee! Moreover, as Hoseok's co-worker and Dae-cheol's sex partner, Joohee, began to look over Hoseok, Hoseok's corporate life is getting more and more dangerous.
Mother
Kot-ji is born by an affair between a hostess and president Kim of a trading company. Living with her mother, she is unusually smart but envies friends with both parents as she plays alone with dolls or watching TV. One day, on her way home, Kot-ji runs into a woman who offers to take her to her father and follows her. All has been planned by Jin-ah conspiring to make money out of her situation. Dong-jin who is secretly in love with Kot-ji's mother threatens Kim about Kot-ji and get money from him but things do not work out the way he thought. Dong-jin stabs Kim unintentionally and in panic takes Kot-ji into woods. While he quarrels with Jin-ah, Kot-ji makes her way to escape feeling danger. Kot-ji's pure heart moves Dong-jin and he returns her to her mother.
Things backfire for young Cheol-hie when she convinces her father to go on a blind date with her kindergarten teacher. It turns out that her teacher is actually Cheol-hie's birth mother. While at first, Cheol-hie is excited at the possibility of her parents getting back together, it turns out that her mother/teacher has different wedding plans coming up in the near future.
Dae Bin and Hyung Joo go on a TV date program and meet Na Yeong and Jung Ae, respectively. Hyung Joo loves Jung Ae but hesitates between the two women. Dae Bin goes for Jung Ae and Hyung Joo ends up at Na Yeong's apartment. After Dae Bin and Jung Ae's engagement Jung Ae finds Hyung Joo and spends the night in his room. They take a trip to Nami island resortand got in a boat accident which killed her and left Hyung Joo paralyzed. Later, Dae Bin marries Na Yeong but she doesn't trust his love. Finally, Hyung Joo regains consciousness to confess that he loved Jung Ae. Na Yeong returns to her husband.
Gyu-hwa and Jin-wu are old friends with very different personalities. Their friend Mi-yeon used to be close to Jin-wu but when she grows up, she becomes a prisoner of Gyu-hwa's aggressive behavior. Gyu-hwa takes Ga-hi away from Jin-wu when he discovers that she comes from a wealthy family. But Gyu-hwa begins to have an affair with an older widow and begins to abuse Mi-yeon, the mother of his daughter.
