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.
Genres:
Lee Sung-min as Hae-Gwan
Shim Eun-kyung as Sori (voice)
Lee Ha-nee as Ji-yeon
Chae Soo-bin as Yoo-joo
Lee Hee-jun as Jin-ho
Kim Won-hae as Goo-cheol
Ryu Jun-yeol as Underground Singer
Jeon Kuk-hwan as President Go
Kwak Si-yang as Hyeon-soo
Jeon Hye-jin as Hyun-sook
Lee Yeong-jin as Yoo Sung-jin
Kang Jin-ah as Jang Geun-yeong
Nam Yeon-woo as NIS agent
Lee Seung-joon-III as NIS agent
Yang Kyung-won as NIS agent
Lee Hyun-gul as Police
JJ Graham as U.S. military officer
Yoo Chang-sook as Grandmother
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