All of us has lost a pet at some point. We mourned over them, but in the end we were able to move on, but Dash has never lost anything in her life: races, family, friends, or pets, but when Tank is killed Dash will have to experience her first lost.
A carnival comes to Ponyville and will be ready for the public in seven days. Everypony excitingly awaits for it to open, but could there be more to the carnival than fun games?