By an encounter with a wiry female lawyer So-hyun at the redevelopment protest site, a cold mobster JANG Se-chool decides to be ‘a good person’ as she advised. One day accidentally he saves people from a bus crash, becomes a hero of the city at a bound and it even leads him to run for the National Assembly. But his luckiest chance to be ‘a real good person’ is yet to come until the rival candidate Choi conspires with Se-chool’s enemy clan boss Gwang-chul.

When Mong-lyong decides to take him under his wing, Bang-ja gets to share a room with the wise, MA. While sharing the room, MA teaches Bang-ja of all the arts of seduction. When strolling the park one day, Mong-lyong meets Chun-hyang, the daughter of the owner of the park, and he instantly falls in love and encourages Bang-ja to arrange a meeting with her. But Bang-ja’s feeling for her was also the same and he seeks advice from Ma. Ma tells him of Chun-hyang’s real intention to win over Mong-lyong for his social status. Without knowing, Mong-lyong urges for a second meeting with Chun-hyang. Bang-ja’s anger towards Mong-lyong for using his nobility to attract her heart triggers his plan to use Ma’s art of seduction. Successfully he wins her heart and body, but under the condition that he will help her to get married to Mong-lyong. Everything seems to go as planned but when Mong-lyong finds out their relationship, whole thing is about to go wrong.