"There is a dark side to MI6 that needs men like Elliot Kane -- volatile, inquisitive, free-floating -- in the field. They take them and put two years and over �100k into their training, showing them how to steal cars, strip weapons, and hack bank accounts. There are courses on the use of blackmail and improvised explosives, and entire workshops solely dedicated to navigating by the stars. But no one tells them how to go home. Kane has spent fifteen...