Imperial War Museum: Stay Where You Are And Then Leave

The day the First World War broke out, Alfie Summerfield's father promised he wouldn't go away to fight - but he broke that promise the very next day. Four years later, Alfie doesn't know where his father might be, other than that he's away on a special, secret mission. Then a chance encounter at King's Cross Station offers hope - Alfie realises his father is in a hospital close by - and Alfie becomes determined to rescue his father from this strange, unnerving place . . .