When Marvik visits his safe deposit box in his London bank and discovers that a three-and-a-half inch floppy disk he had placed there a few weeks previously has been stolen he is surprised and deeply troubled. What's more it has been taken only the day before his arrival by a man Marvik has never heard of. Puzzled and disturbed, Marvik is left cursing his reluctance to ask his former Royal Marine colleague, intelligence and cyber expert, Shaun Strathen,...