As Rose Tyler embarks upon her first big TARDIS adventure with the newly-regenerated Doctor, they discover a sinister hospital run by strange cat people and run in to two old acquaintances, The Face of Boe and Cassandra.
Set in the world of elite tennis, the drama portrays Justine Pearce as a one-time rising star whose sudden success at 17 took her and her coach Glenn Lapthorn to the quarterfinals of the French Open.