The crime committed most often during mealtime is reaching over someone else to get the salt, which is why it’s always a welcome distraction when a murder is committed instead. Enjoy a side of mystery with your meal with today’s Groupon: for $30, you get a murder-mystery dinner ticket at The Stone Lion Inn in Guthrie (a $61.99 value).

Within The Stone Lion Inn’s stately 1907 Victorian house, guests crack cases of whodunit during murder-mystery dinners for 20–40 guests that span entire evenings. Before the Holmesian outing, sleuths receive specific character details in the mail, complete with a bio, costume ideas, and movie suggestions to appropriately match the degree of technicolor of the era. Guests dressed in retro garb gab over cocktails as the evening begins, interrogating friends, strangers, and overly patient wait staff. As the investigation heats up, magnifying-glass wielders sit down to a seven-course dinner, munching on gourmet eats while antagonizing suspects by withholding the bread sticks. After the candlelit feast, snoopers finally close the case, discovering the murderer to be the sweet old lady, the maniacally cackling butler, or a fellow character.

Groupon guests who can’t tear themselves away from the mysterious charm can receive $20 off a night stay in a cozy room on the night of the show they attend, sleeping in a wrought-iron Victorian bed ($79–$149 for single or double occupancy) or on the ceiling.