All her life Ellie Enderlin had been known as Lila's sister--until the day Lila, a top math student at Stanford, was murdered, and the shape of their family changed forever. Twenty years later, Ellie is a professional coffee buyer who has never put down roots. When, in a chance meeting, she comes into possession of the notebook that Lila carried everywhere, Ellie returns home to finally discover the truth about her sister's death--a search that will...