On a quiet Halloween night, Luna Willowstep, a 19-year-old bubbly and naïve arctic fox anthro, finds herself in an unusual and distressing situation. Sheltered all her life by her overprotective single mother, this is one of the few nights she’s ever been allowed out alone. Excited to trick-or-treat and experience the freedom of the night, her evening takes a dark turn when she unknowingly consumes candy laced with "Velvet Heat," a gang-produced aphrodisiac designed to exploit its victims.

As the drug takes hold, Luna begins to feel sensations she doesn’t understand—an inten...