Buddy and Bob, two gang leaders in Germany and Hong Kong, have joined forces to run a successful syndicate to smuggle drugs, arms and gold around the world.
 But when Buddy is killed during the escalating gang warfare, Bob has another enemy to contend with - Interpol; they bring in a team of top-ranking police officers to break the syndicate apart. Bloodshed is unavoidable before the sun rises...

Royal Destiny

During the Vietnam war, the American army forms a special unit called "tunnel rats" to go down into the elaborate system of underground tunnels constructed by the Vietcong, kill anyone they find in it and destroy the system.