A knife attack leaves a teenage gang member fatally wounded on an Edwardian Manchester street. Around a century later, in another part of the city, a man is shot dead attending the wake of his friend – the victim of another gang murder. For over a hundred years Manchester has had a deep-rooted gang culture. In this episode Gary investigates the Scuttles – a gang that spread fear through the streets of Manchester over a hundred years ago. While Martin investigates the ruthless Gooch Gang who tortured and killed without a second thought. This violent gang was responsible for around two dozen cold-blooded murders and was active until only a few years ago.