Wishing to back out of her suicide attempt only after she hit the ground, the fallen human finds that she is unable to move. When a voice offers to save her for a price, she is too terrified of the darkness to do anything but accept. At first the voice seems helpful, promising to guide her out of the Underground so that she can see the sun again. But as time goes on and her control over her own body begins to slip away, she is forced to face the horrible truth of what she has allowed herself to become. Now she seeks the answer to but one question: can a soulless person save the timeline from shattering?