There has been a robbery. James Jules, the infamous criminal genius, stole the Crown Jewels of the United Kingdom and it is up to you to catch him and bring him to justice.
However, Jules came up with an escape plan. It seems that he somehow always manages to escape, but ...
he escapes only to the nearest capital city from the one he is in at the moment
he never comes back to the city he has been before
he knows all of the capital cities in the world, so only when he wont have any other capital to go, only then you might be able to catch him and bring him back to London
there is an option to write countries instead of the capitals, but use it only if you do not remember the name of the city