At the height of the Vietnam conflict, a complex system of secret underground tunnels sprawled from Cu Chi Province to the edge of Saigon. In these burrows, the Viet Cong cached their weapons, tended their wounded, and prepared to strike. They had only one enemy: U.S. soldiers...
Recounts the discovery of a network of tunnels around Saigon and the resulting underground fighting between Viet Cong guerrillas and American special forces for control of the tunnels.