Having lived a life of adventure as a traveller in time and space, returning to a quiet life on present day Earth was never going to be easy. Ex-journalist, Sarah Jane Smith is determined to make a difference in her own way. Fiercely independent, Sarah relies on her own wit, judgement and keen sense of morality to challenge the evils of the world. Life is never quiet for long. Trouble has a habit of finding Sarah — even when she's not looking for it.
Sarah Jane Smith is still dealing with the tragic consequences of recent events when she is offered the chance of a lifetime — a place on the world's first tourist flight into space. The trip's sponsor, Sir Donald Wakefield, believes it is her destiny. But after her recent experiences, what does Sarah still believe in?