While The Doctor is dropping off Martha after their “one” trip in the TARDIS a story on the news catches his eye and soon they’re off on another adventure. The brilliant Dr. Richard Lazarus has figured out how to reverse the aging process. Meanwhile the effects of Dr. Lazarus’ experiment have started to show as he becomes the Scorpion King of Death. The Doctor defeats the Scorpion King by playing his organ to defeat the CGI monster once and for all. In the end Martha and the Doctor leave again for more adventures despite ominous warnings from Harold Saxon to Martha’s mom.