Strange, toxic gases are spreading through the ruins of the ancient Palace of Knossos in Crete, forcing tourists and visitors to abandon the site. Where are these gases coming from? Who is the rambunctious man in gas mask and rubber suit who appears amid these foul odours? And what extraordinary secret lies beneath the ruins of Knossos - a secret that many have believed was, until now, a mere myth? Cairo Jim (that well-known archaeologist and little-known poet) and his friends uncover one of the grossest distortions of history.