Things seem to go well, as Bo Mi continues her career and Bom lives with her loving mother-in-law. Bom Sam and Bom Il hunt for jobs trying to live a new life. However, unlike their expectations, Bom and Bo Mi swap again. But this time, they find out the swap is not on an irregular basis. It’s a monthly swap and they decide to enjoy it.
약을 잃어버리고 미치광이가 된 윤철!
윤철의 폭주는 막을 수가 없다. 한편 진짜 약을 먹은 봄봄!
재채기에도 반응은 없지만, 그들만 아는 비밀이 생기는데..