April 1917. Bloody April, when the life expectancy of a pilot reduced to 17 days, Flashman finds himself a flight commander and back on the western front pursuing a possible traitor, trying to stay alive and work out who exactly is on his side. Shirking, sweating and shivering, our hero returns to England having completed his task and looking forward to a quiet life only to discover the worst is yet to come. Forced to change sides, he 'escapes' to...