1978. Only two people still alive know the dark secret of the British Royal House of Windsor. One lies in her dotage in France, the other continues to rule the royal household in Britain as she has done for 40 years. A robbery in Paris. The secret is stolen. It must be found at all costs. Police enquiries draw a blank. They need help. There is only one man with the skills to locate the secret - Jacques Mesrine, France's Public Enemy Number One. But there are those that want the secret for themselves and others who will stop at nothing to ensure the secret remains hidden. Can Mesrine find the secret before the hunters find him? Death, treachery and double-cross all lead to THE MESRINE CONCLUSION.