The Arbor girls are a force to be reckoned with...

Maeve Fossard, a nurse during the bombings of Bristol in WW1 wants to escape the pain and suffering around her. A trip to a pub and a chance meeting with a stranger named Colin, changes her life. The shadow world of spies and politics, become a reality.

Through two World Wars, the Cold War and into the Sixties; from England to Australia, she encounters ultimate highs and soul sapping lows.

Every action has consequences. Her companions, Margaret and Allison, their fates entwined, join a rich tapestry of characters, in her endeavours to create an invisible dynasty of social reform which will continue through to the future and span the globe...