Kairos - Season 1 - Eps 15: The Gap
Ae Ri waits for the phone call, but it never reaches her. Worried that something might have happened to Seo Jin, Ae Ri does everything she can to keep Da Bin from getting kidnapped. In the end, Ae Ri, Geon Wook, and Soo Jung plan to sneak into the charity event in order to protect Da Bin. While doing so, Ae Ri gets into trouble.
About Kairos

Title: Kairos
First Air Date: 2020-10-26
Last Air Date: 2020-12-22
Status: Ended
Rating: 6.226/10 (from 31 votes)
Language: KO
Seasons: 1
Total Episodes: 32
Network: MBC
Genres: Action & Adventure, Crime, Drama, Sci-Fi & Fantasy
Production Companies: OHSTORY, Blossom Story
Synopsis
Kim Seo-Jin is a man who is driven only to achieve success in his life. Thanks to his efforts, he is the youngest executive at his company. His life is perfect, with his beautiful violinist wife Kang Hyun-Chae and a daughter. His wonderful life comes to a halt when his young daughter is kidnapped. He falls deep into despair. To change the past, when his daughter was kidnapped, he contacts Han Ae-Ri approximately one month in the past. Han Ae-Ri has busy days with her studies and working a part-time job to make enough money to pay for her sick mother's operation. One day, her mother suddenly goes missing. Han Ae-Ri falls into despair, when Kim Seo-Jin from the future contacts her.
Cast

Shin Sung-rok
Kim Seo-Jin

Lee Se-young
Han Ae-Ri

Ahn Bo-hyun
Seo Do-Kyun

Nam Gyu-ri
Kang Hyun-Chae

Kang Seung-yoon
Im Gun-Wook

Hwang Jeong-min
Kwak Song-Ja

Shin Goo
Yoo Seo-Il

Cho Dong-in
Lee Taek-Kyu

Shim Hye-yeon
Kim Da-Bin

Lee Joo-Myoung
Park Soo-Jung