One of the notable characters in the show is Ace, portrayed by Sophie Aldred. Ace starts off as a headstrong and aggressive teenager but matures into a strong and capable adult through her adventures with the Seventh Doctor and the TARDIS. She has a unique background, having attended The Academy and becoming a Time Lord herself with her own TARDIS. Ace’s journey takes her to the future, where a time storm leads her to encounter the Seventh Doctor. When her previous companion leaves the Doctor, he offers Ace the opportunity to travel with him, and she happily agrees.