A 12-year-old witnesses the murder of his father, an italian judge

Frank and Cat travel to the Sahara Desert to deliver a briefcase, but they end up stranded over night.

Frank and Caterina are asked to rescue a wounded aid worker, Zac Preston, from a warlord in Mauritania.

Frank Martin and Caterina Boldieu are posing as an extraordinarily wealthy couple, in order to retrieve a handful of diamonds which have been stolen from their current client, and replace them with infallible fakes.