The Moss sisters-"my lilies," as their father calls them-live in working-class Liverpool right after World War I. Iris (Catherine Tyldesley, Coronation Street), the eldest of the three, dutifully runs the household in the wake of their mother's death; wayward May (Leanne Rowe, Oliver Twist) works as a maid but longs to perform onstage; and youngest daughter Ruby (Kerrie Hayes, The Mill) sells corsets and trains for the Olympics. Alongside their sorrowful, overbearing father (Brian McCardie, Line of Duty)and war-tormented brother (Daniel Rigby, Flyboys), these young women struggle through poverty, passions, and disappointments-sustained by the fortifying power of family.