David Purdue spent many adventures facing off against the secret society, the Order of the Black Sun, and has finally defeated them. Now taking up leadership of the order and redirecting their resources to be used for good rather than evil, he is hopeful for the future. When evidence of the lost tomb of Genghis Khan is unearthed, Purdue puts together a team of new recruits and old veterans to take part in the first big expedition for the new Order...