A woman goes back to the island where her parents were killed. They had been working on a cure for cancer and accidentally raised the dead by angering a voodoo priest. With the woman is a group of mercenaries and they meet up with some other researchers. They raise the dead again and all hell breaks loose

After several American and British military personnel are killed in suicide attacks throughout southeast Asia, the U.S. begins to suspect a plot by the Vietnam government. To uncover the truth, the U.S. army calls upon a former commando who is looking for his long-lost son in Vietnam. While his military commanders want to see the commando succeed in his mission, his political overseers have a different set of plans.