Major Mike Collins and his wife, Susie, struggle to adjust to life on Civvy Street and their rebellious twin daughters react badly to the change in their circumstances. Meanwhile, dramas are unfolding back at the regiment. Maddy Fanshaw has forgiven her husband Seb for his affair, but troubles brew when he is promoted over the head of a more senior friend. Plus, how will everyone react when Susie Collins applies for the relatively humble job of mess manager?