After accompanying Se-young to the OB-GYN, Jin-goo is touched when he hears a doctored recording of the baby's heartbeat, evoking strong feelings of fatherly responsibility and bringing him to tears. Meanwhile, Myung-ji and Se-young, wary of Ha-na's intentions and presence, visit Bang-ul to persuade her to register Se-young and Jin-goo's marriage without Jin-goo's knowledge.
