Called in to assist Scotland Yard ('unofficially, of course'), Jango's unorthodox methods of investigation provide an ingenious solution to how woman was poisoned.
Wherever there's crime, you'll find Jango. This time, he's behind the locked doors of a bank vault, But that won't worry the unorthodox sleuth too much - will it?
Confused as why a burglar should break into a house and then leave - empty handed - Jango decides to retrace the robber's steps to see if he can solve a crime that never took place.
When Lady Ffoulks arrives home with her shopping and discovers lots of things she didn't buy - or pay for - she decides it is time to call on her friend Jango Smith.
What appears to be a very implausible alibi - first the lorry was there, then it wasn't - leads Jango to solve a very unusual case of blackmail with menaces.
Lord Haversham's famous sword - the one with the jewelled hilt - has disappeared. Asked to solve the mystery, Jango comes up with a very odd solution - and an even odder way of tracing the treasure.
When a burglar takes a short cut through a cemetery, Jango must follow suit and get to work among the headstones - and that's when things become sticky.
When Jango decides to make some easy money on the side - and makes it pay - there must be something he's not telling Dee. There is, but that's Jango's little secret - and he's not telling.