1868: Wilhelm Müller has an agonising decision to make. Does he tell his only son, Martin, aged 15, to flee the continuing wars throughout Europe? Can Martin leave his beloved younger sister behind? 1917: Both sides of the family are thrown together in the muddy, cratered no-man’s-land of Northern France. Martin’s nephew, Kurt, is a sniper in the German army. His son is a Tunneller digging beneath German lines. 1993: Amid irony and futility can unknown and concealed family wounds be healed?