住在年长朋友家里的井鹤，一直盯着嫂子丰满的胸部。有一天，嫂子喝醉了，说觉得前辈出轨了，就当着井鹤的面脱光衣服，躺在床
越战英雄军官金镇平（宋承宪 饰）新接收了一个部下荆宇真大卫（温朱万 饰），荆大卫的妻子钟佳欣（林智妍 饰）也随丈夫一同住进了军队官邸。镇平为佳欣的魅力所吸引无法自拔，以致发展出一段军中不伦之恋。该影片由执导过《方子传》、《淫乱书生》等影片的导演金大宇导演执导。一直以偶像形象示人的宋承宪首度挑战大尺度裸露戏份。
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.
