Luna, a cruise ship chambermaid, has to quit her job to attend to her sick brother. While doing so, she discovers that her mother has gone missing and her brother's condition is getting progressively worse. The siblings desperately sneak into an empty condo unit but soon discover that Penthouse 77 is not what it seems.
女大学生素珍因为没有奢侈品包而被朋友看不起，于是她在俊河家找到了一份当管家的工作来赚钱。 当俊河发现素珍是为钱而来，他向她提出了一个可以满足她心愿的特殊要求...
