Nova Bai, a hardworking student dreaming of a brighter future, falls prey to a ruthless loan shark scheme. Tortured and murdered by its four shareholders, her spirit is left to wander. With the four accidentally summoned her spirit through a game of Pen Fairy, she seizes the opportunity for retribution. One by one, they meet their gruesome demise. Detective Alex Qi, intrigued by the bizarre deaths, uncovers Nova's tragic story and vows to expose the truth, bringing justice to the tormented young woman.