The guy's voice [Film and TV commentary]

The son of TV anchor Han Kyung-bae (played by Seol Kyung-gu) was kidnapped, and the kidnapper (Kang Dong-won) ) called and demanded a ransom of 100 million won, and Jingpei was not allowed to bargain. Kyung-bae and his wife Ji-sun (played by Kim Nam-joo) were very anxious, and had no choice but to call the police, who quickly launched an investigation. The police's high-tech investigative methods are of no use to sophisticated criminals. The only useful evidence was the kidnapper's recorded voice when he called. A low and emotionless voice. There has been no progress in the case, and Jingpei and his wife do not even know whether their son is alive or dead. So Jingpei decided to come forward on his own and secretly asked the kidnappers to meet.