James McTavish is on a Personnel exchange programme between the governments of the UK and Equestria. His new boss is Harsh by name and by nature! But as he finds out, a little harshness can be good for you!

A re-write/retcon or expansion of an older work. The older story can be read on it's own merits, but this version has more backstory and characterisation.
Cover art used by kind permission of Pusspuss