On a desolate island deep within the Arctic, a scientific expedition photographs the wreckage of a bomber. It seems to be a relic from the Cold War - but a handful of insiders know that it is a Soviet Air Force biological warfare platform, still armed with weaponised anthrax.

Covert-One's Lt. Col. Jon Smith leads a team to secure the site. But on the island they find themselves confronted with a traitor from within their ranks. Gradually they become aware that the ancient bomber conceals something else: a secret so deadly that it could trigger a Third World War...