An event featuring a murder-mystery theatrical performance; a three-course, candlelit dinner; contests, prizes and more starts around 8 p.m. Party favors, a midnight champagne toast and a balloon drop will also be featured. $125 per person, which includes a room for the night. RSVP is required by Tuesday, Dec. 28. Black-tie very optional. Visit www.tucsondinnertheatre.com for more information. Call 624-0172 to RSVP.