A veil of melancholy has fallen over Rainbow Dash. Not only is she a werepony, but she is the last of her kind. Hunted by her enemies and haunted by her past, she is worn out by centuries of decadence and debauchery, and by the demands of her lunatic appetites. As a result, she decides to submit to her fate at the next full moon. However, as Rainbow counts down to suicide, a violent murder and an extraordinary meeting plunge her straight back into the desperate pursuit of life