As an actual plot? A fine plot for a back-up comic strip. However, I've got to give only two stars because...this might be the worst depiction of the Cybermen I've ever seen. They're just talking like normal people! Seriously, you could replace them with generic humans and no one would know the difference. Very odd.

I had hope for this story after the 15th Doctor story leading into it but sadly it underperformed for me personally