The day the First World War broke out, Alfie Summerfields father promised he wouldnt go away to fight--but he broke that promise the following day. Four years later, Alfie doesnt know where his father might be, other than that hes away on a special, secret mission. Then, while shining shoes at Kings Cross Station, Alfie unexpectedly sees his fathers name on a sheaf of papers belonging to a military doctor. Bewildered and confused, Alfie realizes his father is in a hospital close by--a hospital treating soldiers with shell shock. Alfie isnt sure what shell shock is, but he is determined to rescue his father from this strange, unnerving place. . . .,