Danny was a baby when his mother was killed in a car crash. Overcome with grief, his father locked him away in a house, telling him the outside world is full of monsters that will spirit him away like his mother.
Retired archaeologist Judith Potts lives alone in a faded mansion in the peaceful town of Marlow, filling her time by setting crosswords for the local paper. During one of her regular wild swims in the Thames, Judith hears a gunshot coming from a neighbour's garden and believes a brutal murder has taken place.
A final conversation between a recently separated couple on their last night together before parting ways.
