The plucky heroines at the Quality Street factory must be ready for anything as war looms. Rumours about a war with Germany have been whispered around the Quality Street factory for months. It's hard for everyone to get their heads around air raids, rationing and the threat of bombings, so to distract themselves, they girls are betting on who is most likely to announce wedding bells. Reenie and Peter adore each other, but as a married woman, Reenie would never be allowed to keep the job that means so much to her. Mary has fallen for her manager at the factory despite this being strictly against the company rules. Even spiteful Dolly has got a new fella in her sights. The threat of war has given everyone a sense of urgency and this time there is so much more at stake than a box of chocolates – can the Quality Street girls keep calm and be ready for anything – even a wedding?