The first novel in the saga tells the story of 20th-century earthling John Daker, who begins to have dreams that people from another world are calling him. After some time, he is transported there into the body of a great hero of the past named Erekose. The former Erekose swore that he would return if the old enemies of humanity - the Eldren - returned. And John Daker, accepting his role as a defender of humanity, begins to fight the Eldren - a humanoid, but inhuman race. However, he gradually begins to understand that it is not the Eldren who are evil, and, having fallen in love with the Eldren princess Ermizhad, he makes his choice...