By a Hand Unknown

It's 1991 and Ranling Manor, set among the wild and watery Norfolk Broads, has been home to the Gyllam-Spence family for generations. Open to the public and family-run, its valuable art collection is decaying and conservators Hannah and Nathan arrive to restore its most fragile works.

But underneath the apparent gentility, the Gyllam-Spence family is at war with itself. And someone is stealing from the collection, someone all too close to home. When a body turns up floating in the nearby lak...