Kenny Crawford arrives in Dunwich after hearing that his brother Andrew has been admitted to a psychiatric ward, and is suspected in a string of disappearances in the town. With the help of local reporter Marsha Calloway and the eccentric Upton Armitage he probes the last few weeks of his brother's life. As they do so, they uncover evidence of a plot in the works revolving around Andrew, his girlfriend Nikki Hartwell and her twisted friend Otto Bellinger.
