H.A.R.M. is back with only one obstacle to thwart their quest for world domination: Cate Archer, the beautiful but deadly UNITY operative who foiled their last nefarious plot. The world's most deadly assassins are summoned with one simple objective. They must kill Cate Archer.
Meanwhile, the United States has uncovered a top secret Soviet project that, if successful, could bring about a third World War. Can Cate avert a nuclear holocaust and simultaneously stay out of H.A.R.M.'s way?