

"I think this robot will find my daughter..."
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.
Hae-Gwan

Sori (voice)

Ji-yeon

Yoo-joo

Jin-ho

Goo-cheol

Underground Singer

President Go

Hyeon-soo

Hyun-sook

Yoo Sung-jin

Jang Geun-yeong

NIS agent

NIS agent
NIS agent

Police

U.S. military officer

Grandmother