Cotswolds inhabitants are used to bad weather, but the night sky is especially foggy as Rory and Molly Devere, the new vicar and his wife, drive slowly home from a dinner party in their village of Sumpton Harcourt. They struggle to see the road ahead - but then screech to a halt. Right in front of them, aglow in the headlights of their car, a body hangs from a lightning-blasted tree at the edge of town. But it's not suicide; Margaret Darby, an elderly...