The Slipped Knot

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.

The head of a charity for homeless ex-servicemen commits suicide in Lichfield Cathedral.  Or does he?  An ex-soldier he has helped teams up with a purple-haired rebel teenaged girl, an Asian solicitor who works for Citizens Advice in her spare time and a Detective Sergeant of Polish descent to prove it was murder.  Their investigation takes them into the murky world of false accounting, people-trafficking and modern-day slavery, before they discover the harsh truth…