Joon-ha finds a letter that is from a man named Lee Young-cheol while cleaning the room, and thinks about whether to read it or not, but decides not to. Then, at the hair salon, Joon-ha is in shock as he overhears Yoo-mi’s mom gossiping that Hae-mi married Joon-ha only out of spite after getting dumped by Young-cheol. Meanwhile, Min-jeong can’t believe her eyes as she looks through the alumni newsletter with her and Shin Ji’s picture from middle school in it.