|I'm gonna eat this much fried food! (State Fair of Texas)|
The midpoint is a moment where you figure out what the story is about.
This, at first, sounds ridiculous, because who would want to read a story they couldn't figure out until halfway through? But if you think about it, this doesn't mean what the plot is about. This statement means the midpoint is where the reader figures out what the message of the story is going to be.
A story of three acts has two distinct points separating the acts: