Dong-seok and Ok-dong make a series of impromptu detours on their way back home. Their time together allows old wounds to heal.

When Seon-a is nowhere to be seen, Dong-seok leaves to find her. When he does, she offers answers to the questions he always had, but never asked.

The class reunion ends with a tiff. Eun-hui considers a startling suggestion from Han-su, unaware that not everything with him is all it seems.