刚刚结束了高考，麦谷高中的高三学生赵宇成（金英 饰）、朱东日（金泰旼 饰）、崔静允（崔熙珍 饰）、姜敏宇（金旻奎 饰）和朴海国（朴晋 饰）便相约去海边旅游放松。学习成绩优秀的吕银河（苏珠妍 饰）近来成绩不佳，加上好友卞智恩（李由美 饰）之死，更让她持续心情低落，甚至出现 幻听幻视。几经考虑，银河决定加入好友们的旅行团，好好放松…

Everyone at school is dead...One day, a mass suicide occurs at school!Daean School is a school of hope; however, in reality, its actually a place of despair where the students are treated like garbage. It's unbelievable but true. The teachers of Daean School are drowned in desire to an extent that they step on the stud…