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.

So Jin fails to meet Yeon Woo at the Han River, and she runs into Kang Hoon instead. Just when she thought she failed the experiment, she realizes that her telepathic message could've been interfered. So Jin and Yeon Woo go on a trip to Gapyeong to see a celestial show. Kang Hoon joins them in secret to stop Yeon Woo from hitting on So Jin.