Cha Mi-jo announces her sabbatical to her two best friends; chance encounters and sweet-scented peonies draw Kim Seon-u and Mi-jo together.

Unable to let her go, Kim Jin-seok asks Jeong Chan-young to rethink their breakup; Mi-jo receives a confession and heartbreaking news.

Jin-seok's wife confronts Chan-young; lacking the courage to tell Chan-young the diagnosis, Mi-jo takes her anger out on someone else.

Chan-young and Jin-seok tearfully reveal their secrets to each other; a friend's sighting of Kim So-won at an unlikely place rattles Seon-u.

Chan-young creates a bucket list of her to-do items for loved ones; Mi-jo consoles a guilt-ridden Seon-u, who blames himself for So-won's sorrows.

At an impromptu dinner for four, Seon-u's dad shows his affinity for Mi-jo and aversion for So-won; Chan-young's mom stops by while Jin-seok is visiting.