Manchester, 1941 Christmas is the season for family and friends, and this year the railway girls will need each other more than ever. Cordelia appears to have the perfect life. When her daughter Emily arrives home unexpectedly, she can't wait to introduce her to her friends. But when things don't go to plan, Cordelia must decide where her loyalty lies. Things aren't going too smoothly for Alison either. Her beloved boyfriend has yet to propose, but there's a charity fundraiser dance and she's dressed up specially. Surely, tonight must be the night. Colette's friends are envious of her devoted husband; he meets her after every shift on the railway, and accompanies her around town. But Colette has a secret, one that will change her life - if only she knew who to confide in. With the festive season fast approaching, the railway girls are hoping for some Christmas magic...