On the human colony planet Nocturne, there is suffering and blight, tragic symptoms of an ages-old war. Never the less, Nocturne is also one of the Doctor's favourite places in all of time and space, because it is here that a late, great flowering of human art - the High Renaissance - is taking place. He has been back here, many times. It is a place of music and art which he finds inspirational and uplifting. It is a place he wants to share with Ace and Hex. It's always been a safe haven for him, a world of friends and laughter. But with strict Martial Law imposed on the front-line city, and the brutal scourge of interstellar warfare vicing the system, how safe can anyone really be? There is a note of death in the wild, midnight wind...