In the series finale, Wolfe gathers his team to re-open an old case that's very personal to them. Will they be prepared for the truth?
After attending a fire at a mosque, Wolfe discovers the body of the local Imam - who was apparently murdered before the blaze began.
Wolfe and co are up to their neck in it in Manchester's sewers, where a colossal fatberg holds the remains of a seemingly sadistic ritual killing.
On a billionaire's sprawling country estate, Wolfe and the team are confronted with a bizarre mystery that might require some unconventional thinking...