The Ship of Ishtar

John Kenton, WWI vet and archaeologist, gets a stone block from Babylon from a friend. Unbeknownst to both, the block contains the model of a golden ship. Soon, Kenton finds himself transported to the ship the model represents, sailing the seas of an alien world and taking part in the agless battle between two Babylonian gods, Ishtar and Nergal. Can he win over the priestess of Ishtar and free the ship from Nergal's influence?