Watch HDToday. Set in the 1940s, Detective Robert Gallahan and Detective Thomas Briggs are in charge of the murder case of Patricia Adams. An unemployed woman in poverty trying her best to live. Turns out this case is much bigger than anticipated. The murder involves a ruthless gang of thieves and killers who rob, murder and deter on the streets of old Manchester. But things are never as they seem. The detective's need to keep their eyes peeled.