Henry Pulling loves tending to his dahlias. That is until he meets Aunt Augusta, who asks him to accompany her on a trip to the continent. Before he knows it, Henry’s swapped trowels for travels and his bags are packed for a thrilling, globetrotting adventure! But Augusta’s shady past catches them up as they whizz from Paris to Paraguay, and our retired banker from Blighty finds himself embroiled in an exciting world of crime, intrigue and espionage.