In a post-apocalyptic world where humanity is suffering from epidemic diseases, starvation and war between rival groups ( which try to get control over an ancient, mystirious book called "Exalma" , which serves as an instruction to perform out-of body -experiences. These out-ofbody-experiences enable the owner of the book to travel in time and thereby manipulate events in his favor).

Are you the one that can protect the book and bring peace to humanity ?