Where: Grantham, Lincolnshire. Hotel: Enjoy a stay at The Olde Barn Hotel, close to several popular local attractions. Murder Mystery: On the evening of arrival join the investigation to find the murderer with themed events! When: Valid for stays on 1st or 7th Jan 2022. What's included: An overnight stay for two people with breakfast, leisure access and a three-course dinner with Murder Mystery entertainment. Leisure facilities: Relax in the hotel's large indoor pool, sauna, steam room, Jacuzzi and fully equipped gym. | Lincolnshire Stay: Breakfast, Dinner & Murder Mystery for 2 | Wowcher