You must defuse three bombs planted in the embassy of the small country of Lunaria - the only country in the world wwhich has large reserves of kryptonite.
To complicate matters, the king of Lunaria is also present in the embassy.
Notes
Part of the Martin Consulting Fantasy Gamer pack which consisted of two "big games" The Visitor and Bomb Squad plus an adventure game "creator" (which included a SmartBASIC framework, graphics subroutines and a machine language parser).