An older man has recently lost his wife. Soon he becomes aware of strange instances at home. He thinks perhaps this his wife. However, he will grow uncertain as the incidents multiply. He sets up security cameras and recordings from them shows strange happenings.

The South Korean government, under the regime of Park Chung-hee, took an active role in the Vietnam War. From September 1964 to March 1973, South Korea sent some 350,000 troops to South Vietnam. The South Korean Army, Marine Corps, Navy, and Air Force all participated as an ally of the United States.