Rae Seddon, known as Sunshine, works nights at her family bakery in a world still recovering from wars between humans and supernatural beings. Seeking solitude, she drives to a lake and is abducted by vampires. Chained beside Constantine, a vampire who is also a prisoner, she must use a magical ability she has long ignored to help them escape. Their forbidden alliance attracts dangerous attention and forces Sunshine to confront both her heritage and a conflict she cannot avoid.