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.

• Lotte Entertainment
• DCG Plus
• Lee Sung-min
• Shim Eun-kyung
• Lee Ha-nee
• Chae Soo-bin
• Lee Hee-jun
• Kim Won-hae
• Ryu Jun-yeol
• Jeon Kuk-hwan