When seventeen-year-old Georgia's brother drowns while surfing halfway around the world in Australia, she refuses to believe that Lucky's death was just bad luck. Lucky was smart. He wouldn't have surfed in waters more dangerous than he could handle. Then a stranger named Fin arrives in False Bay, claiming to have been Lucky's best friend. Soon Fin is working for Lucky's father, charming Lucky's mother, dating Lucky's girlfriend. Georgia begins to wonder: Did Fin murder her brother in order to take over his whole life?