Song Ji Hyo is an accountant working in a public accounting firm with her best friends, Han Ji Min and Kim Min Jung. She has been dating with Kim Jong Kook, her best friend during her college years in different department (Ji Hyo in accounting and tax, Jong Kook in IT), for 2 years. They met when Ji Hyo had her cell phone repaired in an outlet in a mall near their campus, named “HAPPY CELLULAR”. Jong Kook was the one who fixed her cellphone that time. He was also their university’s representa

                A student, as a sophomore in a great high school, who meets an annoying badass sport teacher, with trait of Dokko Jin but the look of Athena’s Son Hyuk (Cha Seung Won) and at the same time she meets a cutie band teacher (Lee Dong Wook). At first she developed pretty good relationship with the sport teacher, but then the teacher’s Dokko Jin-ish trait brought twists and problems. A story that would develop into a complicated story?!?