Yorkshire 1944. The end of the war feels close but Air Transport Auxiliary girls Bobbie Viv and Mary have plenty more flights in their beloved Spitfires yet. A stern and mysterious new flyer in the form of Peggy arrives. Mary has a wedding to plan before her fiancé is sent away but then makes a discovery so shameful she can’t tell the other girls. Bobbie’s beau issues an ultimatum and Viv is wondering whether she wants a man at all…