Main Character is a young woman hired to be a companion to a teen by the teen’s guardian. Takes place on an island that you have to take a ferry to the mainland. The teen goes missing and the guardian’s younger brother says she ran away and he cuts off his hand to cover up the murder scene. There is a scene where they make oatmeal by leaving it on the stove overnight. The companion starts to be attracted to the younger brother but discovers what he did.