Sunderland, 1942 With the war showing no sign of abating, Helen is thriving in her role as shipyard manager. But at home the return of her father brings a shocking discovery that tears her family apart. Gloria is shouldering the burden of a terrible secret. If the truth comes out there could be dire consequences, and it will take all her resolve to resist the pressure around her. Meanwhile Rosie is throwing herself into her work, taking on as many shifts as she can. Anything to keep her mind off the fact that she hasn't heard from her sweetheart in months… With life in the shipyards tougher than ever, will the strength of their friendship see them through to victory?