From Switzerland he embarks on a series of increasingly perilous missions into Nazi Germany, all while having to cope with various identities and competing spymasters.
In March, 1941, in Berlin, haunted by a dark episode from his past, he makes a fateful decision, resulting in a dramatic journey to the Swiss frontier and a shocking encounter...
A pulse-pounding spy novel for the ages, perfect for fans of Robert Harris, John le Carre and Ken Follett.