Called to a bloody industrial accident at a meat processing plant, Wolfe and his team discover the horrific sight of a pair of human legs sticking out of a de-boning machine; the rest of the man has joined the meat carcasses on the conveyor belt.

Forensic scientist professor Wolfe Kinteh is a forensic powerhouse and North England's finest crime scene expert; Wolfe's brilliance comes with an appetite for bending any rule he encounters, but all for the very best reasons.

On the sprawling country estate of billionaire Howard Gilk, the smell of decay leads Wolfe to a sealed room with a putrefied corpse melted into the bed.

Wolfe and co are up to their neck in it in Manchester's sewers, when a colossal fatberg holds the remains of a seemingly sadistic ritual killing.

Attending the scene of a fire at a mosque, Wolfe recklessly breaks into the building before it's made safe; despite the fire destroying almost all forensic evidence, he discovers the body of the loved local imam, a keystone to the community.

Wolfe uses a physical re-construction of a crime scene to re-open an old case close to the team's heart; just as all the forensics appear to stack up, new technology reveals the misidentification of a key piece of evidence.