Zen and Nova have traveled to other worlds before, but now everything has changed: they went through gates that should not have existed at all, did terrible things that cannot be undone, and will no longer be able to return back. The New Empress of the Great Network has just rescued Chandni Hans from the prison freezer, and a new test appeared in the life of the heir to a great dynasty and a girl with a motor skills - the mysterious Black Zone. Finding the way home is becoming increasingly difficult - and how, if home may no longer exist?..