Luke's older sister, Pat, has always been his moral compass, every time he has a decision to make. So when Pat disappears on a tiny island off the coast of Honduras and the authorities claim she's drowned - despite the fact that they can't produce a body - Luke heads to Honduras to find her. Once there, he meets several characters who describe his sister as a very different girl from the one knows. Does someone have a motive for wanting her dead? Determined to get to the bottom of Pat's disappearance, Luke risks everything to find the answer.