The Tasmanian town of Deadloch, a once sleepy seaside hamlet, is left reeling when a local man turns up dead on the beach. Two female detectives are thrown together to solve the case: Fastidious local senior sergeant Dulcie Collins (Kate Box) and a rough-as-guts blow-in from Darwin, senior investigator Eddie Redcliffe (Madeleine Sami) along with their overeager junior constable Abby (Nina Oyama). As the town prepares to launch the annual arts, food, and culture event—Winter Feastival—the trio have to put their differences aside and work together to find the killer.

Pamela Rabe makes her first appearance as Margaret Carruthers in Episode 2.