Episode 105
The body of a high-level government official's secretary is found at the bottom of a staircase - and Sister Boniface claims she was dead before the fall.

It’s the 1960s and police forensics are rudimentary. Luckily the residents of Great Slaughter have a secret weapon. Sister Boniface. If there’s evidence to be found, Boniface will find it, with a little help from dashing DI Sam Gillespie and buttoned-up Bermudan DS Felix Livingstone.