On a fog-enshrouded morning, Lily Sinclair moves with her family to Ravenwood, a town wrapped in quiet murmurs and half-told tales. As they settle into their new home, Lily's curiosity is piqued by an old mansion that looms over the town. Despite her practical father's skepticism, Lily is drawn to uncover the mansion's secrets. The old mansion, with its eerie presence, captures Lily's imagination, leading her to explore the town and discover a shop filled with curiosities. Strange occurrences convince Lily of the mansion's supernatural influence, and she finds a photo of a family with a young girl, hinting at hidden mysteries. As she delves deeper, Lily is forced to confront her own inner demons and forms a school club called the Paranormal Detective Agency with a group of misfits. Together, they uncover the town's hidden truths and face supernatural challenges, all while dealing with the mansion's dark influence that has left its mark on her father.