The film follows the story of five women at Vic Mu in 1943 as they form a tight bond of support and friendship during the Spring of that year. The group faces the uncertain outcome of the Battle for the Atlantic, which seems to be leaning towards an Axis victory. This drama explores their relationships and resilience in the face of adversity, led by characters like Meg Tilly's Lorna Corbett and Jodi Balfour's Gladys Witham.