Growing up, the Anderson sisters could not have been more different. Susie, the wild one, had an adventurous life while Camilla [and] Mills followed a safer path. When Susie suddenly dies, Mills falls apart. Until she receives a bundle of mysterious letters from her estranged sister...Each letter instructs her to visit a place special to Susie, both to spread her ashes but also to uncover some truths Susie has long kept hidden from her family