Jones is brought back to his home town to help investigate a series of murders linked to childhood friends and events that occurred years earlier.
A handsome stranger rides into Candleford with a look of determination about him. Along his way, he chances upon young Edmund Timmins and presents him with a silver threepence before heading on his way. His name is James Dowland.
After an encounter at a viral research centre, Rimmer forces the crew to spend twelve weeks in quarantine. But who's watching the watcher?