After last week's cliffhanger, it was always going to be an uphill struggle to dig the story out of its proverbial hole. Obviously Missy and Clara couldn't be dead, and whilst Missy's anecdote about the Doctor escaping android assassins brought out the best in Clara—as she picked through the clues, made the correct deductions whilst hanging upside down, threatened to kill Missy, before finally stomping off pointy-stickless to save the Doctor—I'm not sure the rest of the episode allowed her to shine so brightly.
