Marian Shaw makes the big move to Castle Rock with her mother and younger sister, after their mother's divorce was finalised, heading straight for the only family she has left. Yet between her mother's clear interest in their new neighbour, her own apparent dislike for her cousin and her younger sister's sudden interest in superhero's, Marian begins to become overwhelmed. Though the one thing she never expected was to find a strange sense of comfort from her cousin's friend and her next door neighbour's eldest son.