Emma Roberts leaves home for the first time in her twenties, travelling to Paris to study seventeenth-century garden design. There, she meets vivacious Françoise Desnoyers and is quickly drawn into her passionate and complicated world.

But Françoise's demands - deceiving her formidable mother over a love affair - leave Emma feeling exposed and vulnerable, and yearning for the safety and comfort of her London home. Yet when an unexpected family tragedy turns that life upside down, Emma comes to realize the impossibility of returning to a home you have already left behind...