While desperately searching for his missing daughter, Hae-kwan comes across an AI satellite robot that remembers sounds from all over the world. Rejuvenated by the robot's abilities, Hae-kwan begins to track down his daughter's voice. As they continue their journey, they form an unforgettable bond.
Cast
Lee Sung-min
Hae-Gwan
Shim Eun-kyung
Sori (voice)
Lee Hanee
Ji-yeon
Chae Soo-bin
Yoo-joo
Lee Hee-jun
Jin-ho
Kim Won-hae
Goo-cheol
Ryu Jun-yeol
Underground Singer
Jeon Kuk-hwan
President Go
Kwak Si-yang
Hyeon-soo
Jeon Hye-jin
Hyun-sook
Lee Yeong-jin
Yoo Sung-jin
Kang Jin-ah
Jang Geun-yeong
Nam Yeon-woo
NIS agent
Lee Seung-joon-III
NIS agent
Yang Kyung-won
NIS agent
Lee Hyun-gul
Police
JJ Graham
U.S. military officer
Yoo Chang-sook
Grandmother
Crew
Lee Ho-jae
Director
Lee Ji-min
Adaptation
Lee Soyoung
Screenplay
Nam Na-young
Editor
Jeong Gye-hyeon
Editor
Kim Sung-hoon
Assistant Editor
Ju Sung-lim
Director of Photography
No Byeong-uk
Digital Colorist
Cha Won-chun
Executive Producer
Kim Seong-hwan
Executive Producer
Park Hyun-tae
Producer
Shin Hye-yeon
Producer
Yoon Ick-jun
Producer
Jung Jae-won
Producer
Song Yong-un
Line Producer
Lee Jong-geon
Production Design
Kim Jung-won
Costume Design
Moon Sun-young
Makeup & Hair
Heo Jeong-im
Makeup & Hair
Gang Hye-yeong
Sound Designer
Jung Jin-wook
Production Sound Mixer
Kim Mi-mi
Boom Operator
Choi Jong-ha
Lighting Director
Jung Jae-hoon
VFX Supervisor
Mok Yeong-jin
Original Music Composer
Kim Chul-jun
Martial Arts Choreographer
Kim Hye-bin
Art Direction
