During the 1990s, hardworking Mi-soo and optimistic Hyun-woo meet at a bakery and fall in love while exchanging stories on a radio station, but while their paths keep crossing, the timing never seems to work out.
Hong Gil-dong is an infallible private detective with an exceptional memory and quirky personality. While chasing the only target he failed to find, he gets entangled in a much bigger conspiracy than he bargained for.
Young-seok, who feels overwhelmed and lonely in what should be his glorious youth, meets a woman who introduces herself as Josée, and they share a once-in-a-lifetime romance.