A holiday is a time to relax, unwind and see the sights.
But for two adventurous sexagenarians, the sights have a tendency to include dead bodies.
Etta and Dora, both newly retired teachers, travel from their home in Southern Italy to a fairy-tale German town for their first home swap holiday, delighted by their neighbours' warm welcome.
But the welcome turns sour when the Night Watchman of Rothenburg is brutally murdered while his tour group takes photographs nearby, a.