4/4 The Russian ambassador is in town. Can Dot and the gals snaffle the Russian secrets?
3/4 Dot is sent to enlist a teacher for 'Shhh Bletchley Park', but is he of sound material?
2/4 A little East End snotling finds her way into the War Rooms. How will Dot dispose of her?
1/4 Dot and the gals from personnel are getting squiffy over Agent Bertie Whiff-Whaff.