Chun Soo and his kids head over to Kim Un Joong's house. As they have met before, Un Joong expects the twins won't cry and prepares to welcome them. Next, Sam is exhausted and can't be bothered with anything. As the kids won't leave him alone, he says he is going on strike. The mischievous brothers, however, won't give up and pester Sam nonstop. (thetvdb.com)