As Hercule Poirot sifts through his post one particular morning, he alights upon a letter from an elderly and (as it transpires), exceedingly rich spinster - Miss Emily Arundell. She is clearly in great distress and seeking his help, but doesn't say why. Her only specific mention is 'the incident of the dog's ball'.
Belfast 1939: Martha Goulding's world is shattered by a sudden death and the outbreak of war that leaves her family facing an uncertain future. Her daughters are talented singers who join a troupe of entertainers led by Goldstein, a Polish Jew, who is determined to raise morale and money for the war effort. But Martha is torn between allowing her girls to perform and keeping them safe from men, both in and out...