When Mrs. Vanderhorn is assaulted by a ghost in her river front home, she turns to P.I.A., the most prestigious private investigative firm on the east coast, for help. Agent Skelley, a seasoned veteran with the company, and her new partner, Sly Muellin, are assigned the case, but neither are prepared for what they must face when they confront the entity that haunts the Vanderhorn cottage.