This read while enjoyable is more about relationships, unrequited love and family drama. There is very little given about the War Room operations of decrypting messages or those who were involved with the important task of eavesdropping on the enemy's proposed plans. However, what the author does give the reader is insight into the important roles that women became involved with. Cassie, the main protagonist has a leaning for languages and is fluent in German and for which she finally becomes noticed and moves into the department for the very important role of listening in on the enemy.
Cassie Marsh's mother is the link to the wealthy connection to Greenaways, sister to the brother who inherited the family estate. It has been a source of wonderful, peaceful summer holidays for which Cassie and her brother always look forward to the relaxed lifestyle away from London.
However, as Cassie and her brother, Gerard, along with their cousins begin to grow up there is a gentle shift in the relationships. Cassie has always felt a close kinship with Oliver their cousin, which develops into something more as time goes on.
They begin their war effort with cousins Madeline and Oliver and his school friend Woodward (Luke) Gerard and Cassie all going in their different directions, the family is disbursed returning to Greenaways for the safety of the countryside, away from the bombing; family structures begin to change.
Cassie is working around the clock, her shifts are long and then there's always the bombing to contend with, scurrying to shelters or in the safety of buildings watching London burn. Cassie's hours haven’t left much time for her to look in on her father who has stayed in London to continue working. Arriving at her home she is confronted with a terrible sight of her father’s infidelity. Leaving the house, hysterical she contacts Luke who is living at his family’s London home. This causes a great rift in her relationship with all her family along with the knowledge of how her brother had been killed in action changes her life.
Luke and her become close and finally she relents and becomes his wife, however, there is always the question of Oliver when he returns from active service.