S01E01 The Flash of Lightning Before It Thunders
Unlike her friends, Kim Jojo has more pressing things on her mind than dating. Upon returning from abroad, Hwang Sun-oh goes to see Lee Hye-yeong.
Love Alarm
When you turn on the application, your heart will ring
S01E08: One Is Bigger Than Any Other Number in the World
Jojo ponders what it means to like someone and realizes a shield may not be necessary. Sun-oh wants to know whether she still has feelings for him.
Overview
Love Alarm is an app that tells you if someone within a 10-meter radius has a crush on you. It quickly becomes a social phenomenon. While everyone talks about it and uses it to test their love and popularity, Jojo is one of the few people who have yet to download the app. However, she soon faces a love triangle situation between Sun-oh whom she starts to have feelings for, and Hye-young, who has had a huge crush on her.
Episodes
S01E02 There’s Nothing Anyone Can Do When You Like Someone
Sun-oh wants to know whether Hye-yeong has feelings for Jojo and tells him what he did. Jang Il-sik gets into a fight with Sun-oh and Hye-yeong.
S01E03 The Miracle of Two People Liking Each Other
Jojo confronts Sun-oh about the photos. As rumors spread at school, Jang-go gets mad at Jojo for lying. Il-sik confronts Jang-go about what she did.
S01E04 The Best Feeling in the World Is Knowing There’s Someone on My Side
Sun-oh asks Jojo about the school trip and realizes there’s not much he can do for her. Il-sik tells Jang-go something she doesn’t want to hear.
S01E05 The Gravity of Liking Someone
Jojo tells Sun-oh about her parents and makes a surprising suggestion. She later confronts Jang-go after overhearing something.
S01E06 Your Heart is Safe Now
News of the tragedy hits the airwaves. Hye-yeong finds Jojo at the library and informs her that he plans to court her the old-fashioned way.
S01E07 Something I’ve Been Holding Back and Can Only Say to You
Jojo tries to put a shield around herself and tells Hye-yeong she doesn’t need his help, but he offers to take her somewhere special.
S01E08 One Is Bigger Than Any Other Number in the World
Jojo ponders what it means to like someone and realizes a shield may not be necessary. Sun-oh wants to know whether she still has feelings for him.
Cast
Kim So-hyun
Kim Jojo
Jung Ga-ram
Lee Hye-yeong
Song Kang
Hwang Sun-oh
Go Min-si
Park Gul-mi
Lee Jae-eung
Chon Duk-gu
Kim Si-eun
Yuk-jo
Ki Do-hun
Brian Chon
Bae Da-bin
Mon-sun
Song Sun-mi
Jeong Mi-mi
Shim Yi Young
Bae Gyeong-hee
Kim Young-pil
Hwang Jae-cheol
Park Seong-yeon
Jojo's Aunt
