What's a Knucka?

The first of Rob Bell's plays to be published in book form, What's a Knucka? begins on the top of a mountain. The mountain is called The Banashak, and no one has ever climbed it.
Until now.
Four climbers from four different nations arrive from four different directions at the top of The Banashak at the
EXACT.
SAME.
TIME.
The climbers stand there on the peak, staring each other down, in shock. Which quickly turns to denial, rage, scheming, arguments about where exactly the peak even is, plots and ...