In a society that puts the spotlight on the smart guys only, there are people who do not have a grain of common sense. In this knowledge-talk show, these problematic people get locked up in a rooftop house and are allowed to go home only if they get 10 questions right.

• Song Eun-yi
• Jeong Hyeong-don
• Min Kyung-hoon
• Kim Sook
• Kim Jong-kook
• Kim Yong-man