The Doctor, a 3000 year old time traveling alien and Yasmin Khan, a 24 year old officer from Sheffield, definitely a odd couple of people to become friends as close as they have. They've been traveling together for about a year now and along with their other two friends, Ryan and Graham, have done a lot of fantastical and astonishing adventures in not only time but space as well. However, the Doctor despite knowing better has developed a sort of fascination with Yaz.