A haunting melody... A forgotten past... Kat woke to a world of endless night. She had no memory of who she was. A music box, a letter, and a gun were her only clues. Her forgotten past was the least of her troubles. Killing machines called Un-Men hunted her. Why? She didn't know, only that to survive she had to destroy them. Kill or be killed. A life of murder... A life of loneliness...