It's not easy being a woman in the police force in the 1970s. Introducing the first in a thrilling new Scottish crime series starring DS Helen Carter. Sergeant Helen Carter is having trouble making her mark in the male-dominated Edinburgh CID, working under the difficult Inspector Jack Craven. But then she’s landed with her first case: a murder in an old abandoned picture house. Whoever did it left a mysterious clock-like symbol on the wall . . . drawn in blood. Stranger still, the killer has left a clue: the business card of an ex-cop. Corpses keep turning up in the strangest of places. Can Helen prove herself and piece together the case before the body count rises?