The Doctor has finally found a purpose and the will, to travel again. He wants to know where to find another Clara. A third Clara. He remembers without noticing, he did meet another one in another universe in the past, but back then thought she was just an echo along with a lot of other people and monsters. But now he isn't so sure about this any more. He decides to steal the golden apple again, to travel into this strange universe of humanoid animals again, to see if he can meet another one.

On a water planet on the outskirts of the Cloudsdalean Subdomain, there is a factory, producing the exported, carnal alternative product of the famous 'Stickles', that Rainbow Dash advertises in her show flights. As her more down-to-earth friend is assigned to check up on those though, she finds out something terrible about them, and almost faces the loss of her best friend.