Mickey returns to London to find that the gang have all gone their separate ways.

A priceless diamond leads the team to take on their most dangerous mark to date.

Mickey has been taken prisoner by notorious gangster and international art collector Petre Sava, who wrongly believes the gang were behind the theft of his stolen Picasso. Now Ash and the others face a race against time to locate the missing painting and return it before Mickey becomes Sava's next victim.