DNA Lover: Season 1, Episode 4

1 - 4: The Healer Gene

So-jin finds out that Yeon-woo has the Indecent Octopus Tentacles Gene and thinks he's a cheater. She breaks the news to Yeon-woo, which leaves him flabbergasted. Meanwhile, the woman Yeon-woo's father is seeing gets the DNA test done for the baby in her womb and hears shocking news.