A wealthy high school boy is betrothed to a mysterious pig-masked country bumpkin in this Korean romance. Now that she has discovered Si-Joon's secret fiancée, Doe-Doe will stop at nothing to rip the masked girl from Si-Joon, whom Doe-Doe has already claimed as her own. But mu-Yeon's affection for Si-Joon is not something to be trifled with, especially when dark spiritual forces are involved!