The Doctor, Rose and Captain Jack Harkness are still in the hospital
with the gas mask-wearing mutants and are having some trouble finding a
way out. The Doctor determines that the ambulance Captain Jack was using
in his scam contained nano genes, similar to the one's he used to
repair Rose's rope-burned hands. Only in this case, there are enough
nano genes on the loose to "repair" an entire species and they have no
idea what a human looks like in the first place. The future of the human
race lies in Nancy accepting her true relationship to the little boy
who is ...
