[Jae-hyeonisabouttoreturntouniversityaftermilitaryserviceandmakingmonenybysellingsweetpotatoes.OnedayaregularcustomerandcallgirlHye-riaskshimtobefriendsandJae-hyeon,whowasinterestedinher,saysyes.OneeveningheseeshergettingbeatenupbyherpimphusbandandJae-hyeonrushestohelpher.Theygetclosefromthispointonandspendsanig...]