Joon hyeok is preparing to pass the exam for level nine government staff. Since this is his third attempt, he is sure to pass the exam this time. He moved into a boarding apartment as part of his father's special measures to help his son with his studies. But what awaits Junhui in the luxurious house is not thick textbooks, but two free and unrestrained women. Joon hyeok began his cohabitation with the owner of a boarding apartment full of sexy beauties, Aqiong, and the nurse Dal lae, who exudes sexiness from his face and body. Since then, Junhui has started studying women every night instead of his books.
在上海一个不起眼的角落里，日本年轻人Ariang（三浦春马饰演）埋头工作，学习机械制表技术。他在游泳池里不小心遇到了美女若兰（刘诗诗饰）。应她的邀请，阿亮帮她为别人挑选了一份礼物。通过这个机会，阿亮认识了若兰和她的双胞胎姐妹如梅（刘诗诗饰）。
