Doctor Who: Rutans vs Sontarans: Peace at Last

On the precipice of peace it stands...
After the destruction of a major stronghold, the Sontarans propose something extraordinary. More extraordinary still, the Rutans say yes. The Doctor, Charley and C'Rizz are on hand to watch history being made.
Yet history has other ideas. A plan that has taken centuries is about to come to fruition. The Melmoth is returning.