Yeong-jae(SinJoo-ah), Ha-eun(KooJi-sung)andChun-hee(YoonChae-i)havebeenfriendsfor15yearssincehighschool. Yeon-jaeistheyoungestofafinehotelownerandsheaimstosleepwith1203menthroughoutherlife.Ontheotherhand, Chun-heeisanold-schoolmindedhighschoolteacherwhohasneverhadsexbeforeinherthirty-somethinglif...