A revealing exploration of the phenomenon of 'non-promotable work', the effect it has on women's careers, and a thoroughly researched strategy for how to fight back

Marian and her sister Laura live a quiet life under their uncle's guardianship until Laura's marriage to Sir Percival Glyde. Sir Percival is a man of many secrets. Hence, Marian and the girls' drawing master, Walter, have to turn detective in order to work out what is going on, and to protect Laura from a fatal plot.