American astronaut Emma Green must leave her husband and teenage daughter behind to command an international space crew embarking upon a treacherous mission. A series about hope, humanity and how we need one another if we are to achieve impossible things.

The maiden crew of the Daedalus spacecraft must push itself to the brink of human capability in order to successfully establish the first sustainable colony on Mars. Set both in the future and in the present day, this series blends scripted elements set in the future with documentary vérité interviews with today’s best and brightest minds in modern science and innovation, illuminating how research and development is creating the space technology that will enable our first attempt at a mission to Mars.

The first manned mission to Mars is now approaching the red planet. The crew includes top-flight scientists and a young female psychiatrist, responsible for their mental health. But just as they are about to land, something goes wrong.

The life of Prince John, youngest child of Britain's King George V and Queen Mary, who died at the age of 13 in 1919.