In 2007, Cora, Faye, Anna and Julia returned home from a week together in Ibiza with secrets to keep. When they agreed never to contact each other again, all traces of their holiday were erased. Or so they thought. Now, almost seventeen years have passed since that trip and Anna’s sister Kim is still picking up the pieces after Anna abruptly abandoned her life to start over in London, the occasional Christmas card her only contact ever since.