Oct. 3 & 17. Dinner served while actors masquerading as fellow diners enact a comical murder mystery in which audience members may find themselves prime suspects. 6–9 p.m., Ann Arbor Marriott, 1275 S. Huron St., Ypsi. $85 includes gratuity. Preregistration required at thedinnerdetective.com. (866) 496–0535.