The action takes place: between the series “The Age of Steel” and “Army of Ghosts” Laylor is a paradise planet. A world of breathtaking beauty, where peaceful inhabitants live in harmony with their environment. But is it? Arriving here, the Doctor and Rose discover that the once perfect ecosystem is beginning to fail. And when terrible creatures from ancient legends appear, the paradise planet becomes a death trap. Is there a connection between the crashed people and the ferocious monsters? And what price will a man have to pay to save the only home he has ever had? Race against time, the Doctor and Rose search for a way to heal the ailing planet. Featuring the Doctor and Rose, played in Doctor Who by David Tennant and Billie Piper .