A Monstrous Corpse

Kang Myung, a Chinese man, gets on Su Ji's car on his way to a seminar on protecting the environment. Su Ji is on her way to her sister Hyun Ji's villa. But when she arrives, she finds her brother-in-law is dead. Su Ji and Kang Myung discover Yong Dol, who's been dead for 3 days, drinking the cemetery guard's blood. Kang Myung believes this is all due to the supersonic transmitter. He believes that the supersonic waves disturb the nerves of corpses and make them move.
(Source: KMDb)