An earth pony and his griffon best friend set out with Twilight Sparkle to study other cultures and how to forge bonds of friendship with them. Things rarely go to plan though, and sometimes comically wrong. Then Chrysalis changes everything.
When a remarkable spell summons a human mind into the body of a unicorn filly, Princess Twilight Sparkle does the only thing she can think of: Take on an apprentice.
A dalek appears in Equestria - not just any dalek, but the one that had been corrupted by Rose Tyler's DNA. It has a choice of life as a pony, or dying, and finds that it cannot bear to die a second time. Thus begins a strange adventure...