When the family throws a barbecue, the lights go out and Nae Sang and Kye Sang receive kicks to the rear from an unknown attacker. The gang sets out to solve the mystery, following a wacky theory by Seung Yoon.
Ahn Nae-sang
Ahn Nae Sang
Yun Yoo-sun
Yoon Yoo Sun
Yoon Kye-sang
Yoon Kye Sang
Park Ha-seon
Park Ha Sun
Seo Ji-seok
Yoon Ji Suk
Lee Jong-suk
Ahn Jong Suk
Krystal Jung
Ahn Soo Jung
Park Ji-sun
Park Ji Sun
Yoon Gun
Yoon Gun
Kim Ji-won
Kim Ji Won
Julien Kang
Julien
Baek Jin-hee
Baek Jin Hee
Lee Juck
Lee Juck
Kang Seung-yoon
Kang Seung Yoon
