In a daring suicide mission the evil Viet Cong, have destroyed the US marine Corp Headquarters in Saigon. Most of your comrades and many innocent civilians were killed or wounded in the terrible attack, worse still your C.O. has been captured by the enemy. You must rescue the officer before he is forced to reveal our plans to his captors. This mission will be extremely difficult. But when you signed up for the SAIGON COMBAT UNIT no one told you it would be easy.