Author: Jon Gower.

Sequel to Y Duwch, with the focus this time on detective Emma Freeman, as she investigates the disappearance and death of her husband, who was also a policeman. Her investigations lead her to explore Muslim radicalisation before his execution was broadcast on the internet.

Awdur: Jon Gower.

Dilyniant i Y Düwch yw'r nofel hon, gyda ffocws y tro hwn ar y ditectif Emma Freeman yn fwy na'i phartner Thomas Thomas, neu Tom Tom, wrth iddi ymchwilio i ddiflaniad a marwolaeth ei gŵr oedd yn blisman, ac ymchwilio i radicaleiddio Mwslimaidd cyn i'w ddienyddiad gael ei ddarlledu ar y rhyngrwyd.