The life of Australian Federal Police Superintendent Brian Andersen is turned upside down when he overhears intercepted calls to and from a large passenger jet that mysteriously goes missing with hundreds on board. Paired with elite investigator Elsie Whitman from their Specialist Response Group to investigate, each of them tackling the case from a very different angle, it gets harder for them to fight the growing attraction between them. It soon becomes clear that not all is as it seems, either in Sydney, or elsewhere around the world. The time to act is running out fast.