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The three Earths are on a collision course. As they draw close, Fatal Convergence commences - the deaths of human duplicates on two to the three worlds, Nathan learns that he can stop the tragedy by killing three innocent beings called Sanctae. he refuses and tries to implement another solution, a seemingly impossible musical performance that must take place simultaneously at secret locations, one on each Earth. When Nathan's friend Kelly is absorbed into a world of nightmares, he searches for her. Not only is she in mortal danger, but her talents are the key to finding the secret locations and saving every person on every world.