Overview: 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.

Vote Average: 8

Genres: Mystery, Drama

Companies: UKTV , ITV Studios , Monumental Television , Masterpiece

Cast: Samantha Bond, Jo Martin, Cara Horgan, Natalie Dew, Mark Frost, View more Tijan Sarr, Daniel Lapaine, Mark Fleischmann, Rita Tushingham

Crew: Debra Hayward , Alison Owen , Alison Carpenter , Susanne Simpson , Philippa Collie Cousins View more , Robert Thorogood , Steve Barron , Jane Wallbank Robert Thorogood

Network: PBS , UKTV Play