Two brothers and their wives meet for dinner to discuss how to deal with a violent crime committed by their children.

Do-gyeong jumped in to save his student Ji-yong from drowning. After the two pass away, Myeongji, Do-gyeong's wife, and Ji-eun, Ji-yong's sister, are left alone in the world, having to cope with the loss of their loved ones. Myeongji travels to Warsaw, Poland, to avoid her harsh reality. She meets an old friend and hides her husband's death as if trying to reject the tragedy.

After Sang-Won's daughter Yi-Na goes missing in their new home, a mysterious man approaches him and tells him to look for her in the closet.