For as long as Cassie can remember, it had been the three of them: Cassie, her big brother Tom, and Tom's annoying best friend Sam.

Now, Tom is sorted, Sam is flying high, and Cassie thinks she's figured it all out. Then tragedy happens and three become two.

For Cassie picking herself up seems unimaginable. Until she finds an envelope addressed to her, asking her to follow the trail to one last gift...

And suddenly what seems like an ending leads Cassie to something unexpected, beautiful and new...

Take an unforgettable journey from London to the Hamptons to the south of France...