The Third Man

This is the start - what do you think?

The third man had the third key, but the third man was missing. And without the third man, And with the third man gone, the fate of the third girl was irrelevant.
It was a shame; the third girl was the prettiest of the trio they had recruited. But, for now, her death, which was sure to be the most gruesome the group had suffered yet, although immanent, was unimportant.