No sooner had former intelligence agent Cotton Malone set himself up for a pleasant vacation with his son Gary than everything immediately went awry. His former boss asked him for a favor - he needed to escort a juvenile delinquent on his way from the USA to England. But when handing over the guy to the local police, Cotton... suddenly got hit on the head and, coming to his senses, discovered that his son and their “fellow traveler” had disappeared without a trace! Malone rushed to search - and found out that the culprit was a flash drive with information accidentally stolen by a teenager. And this information is one of the most forbidden and deadly secrets of European history, the disclosure of which can still lead to disaster...