When duty calls East End girl Minnie Wolton isn't afraid to do her bit. She's excited to be joining the ATS girls and although she knows life at the barracks will be tough she's not one to quit! She just hopes the other girls are all good sorts. . . With her husband away fighting Eileen Ruffel is glad of the break from her unhappy marriage. She just wants to make a success of the ATS girls and maybe find happiness too. Along with the other girls Minnie and Eileen strike up a firm friendship. The training is hard but they are determined to prove they are the best new recruits. But when a young girl is attacked on base the girls have to pull together like never before to find the culprits. . . before they strike again.