A spectral canine's protection is tested when a jealous rival escalates a game of manipulation and fear. Garrick and Tristan believed their supernatural troubles were over after banishing Gabriel Blackthorne, but the appearance of a mysterious black dog with glowing red eyes suggests otherwise. This ghostly hound seems intent on guarding Tristan, though its true purpose and the nature of the threat remain unclear. As a group of friends visits, one, Frankie, becomes fixated on Garrick, viewing Tristan as an obstacle and employing increasingly disturbing tactics to win Garrick's affection, blurring the lines between love, fear, bondage, and submission.

The premise sets up a complex interplay between supernatural elements and intense interpersonal dynamics. The narrative appears to focus on the psychological manipulation and emotional stakes involved in the relationships, particularly Frankie's escalating obsession and its impact on Garrick and Tristan. The inclusion of bondage and submission suggests a mature exploration of consent and power within romantic and suspenseful contexts. The resolution hinges on whether the protective supernatural entity can avert a tragic outcome driven by human jealousy and fear.