Mercenaries are hired to rescue a few American soldiers held captive in a P.O.W camp whose plane was shot down over the Vietnam jungles, and of which, carried documents of plans for dropping an H-bomb on Hanoi.

Silk, the toughest cop in Honolulu, busts small time smugglers only to reveal a larger syndicate smuggling Asian mobsters into the States by buying the identities of Hawaiian citizens.

Attractive women must escape from a jungle prison.