Thea Tennant, eldest daughter of a wealthy family, yearns to do more with her life. When her beautiful but flighty sister Dulcie brings trouble to the family, both Thea and Dulcie are sent to relatives in Austria. But with the onset of War, their lives change beyond recognition. It isn't just the Tennants whose lives have changed: for their parlour maid, Primmy, the War brings opportunities she is determined to take.