Ah Yeon looks sensual in those short tennis outfits she always wears. When Min Seok, a successful prosecutor encounters Ah Yeon in a parking lot of a tennis court, he happens to provide her with help unexpectedly. He later gets contacted by Ah Yeon frequently. Although Min Seok, the married man tries to refuse her excessive hospitality towards him, it’s not easy to refuse. One day, Min Seok receives a correspondence saying he is accused of bribery and then he realizes he might lose his position as a prosecutor. While his relationship with his wife has become unstable as well, he cannot stop thinking about Ah Yeon. He after all begins the relationship with Ah-yeon he should not have started.

항상 짧은 테니스복의 육감적인 그녀, 아연. 잘나가는 검사 민석은 테니스장 주차장에서 아연을 만나고 의도치 않게 도움을 주게 된다. 이후 아연의 잦은 연락이 시작되고 유부남인 민석은 그녀의 지나친 호의를 거부하려 하지만 쉽지 않다. 어느 날, 민석은 뇌물 혐의 투서 한 장을 받게 되고, 검사직에 위기가 온다. 아내와도 위태로운 상황에 그의 눈 앞에 아른거리는 아연. 결국 또 다시 우연히 만난 그녀와 가져서는 안 될 관계를 시작하는데…