Tractrix

When aerospace engineer and recent widower Frank Morton wins an $86 million lottery jackpot, he decides to retire and devote his time to a life-long interest in ancient mysteries. Coincidently, an old Viet Nam buddy shows up with a mysterious black sphere inscribed with what appear to be Maya hieroglyphics. Intrigued, Frank convinces his buddy and two other friends, an anthropologist and a newspaper researcher, to help him investigate the origin and purpose of the sphere. Their search takes...