A new series from bestselling author Kate Thompson. Stratford, 1939.Although England may be at war, for the young women working the lipstick production line at Yardley's cosmetics factory in East London, it's business as usual.For headstrong and flirtatious Renee Gunn, that means taking Esther, a young Austrian refugee, under her wing and teaching her how to be a true cockney.But when Lily, Renee's older sister, suddenly returns home after six years away, it's clear that life in Stratford is changing for good.In the face of the Blitz, could the secrets that Renee, Lily and Esther are keeping be the most dangerous weapon of all?