Breaking out of 'The Chimera Project' and away to their craft, it's looks like the genetic mutants have made good their escape, despite the best efforts of the Brigadier and his U.N.I.T reserves. Can the 7th Doctor (Sylvester McCoy) and 'Ace' (Sophie Aldred) step in and prove they have a few more aces to play before the day is out?—Chris Hoyle