During lake training, the cadets discover a vortex that vanishes anything that's thrown into it, which is a problem for the mandatory Academy inspection, but possibly the solution too? Also there's a sex robot.

During midterms, the artificial intelligence running the virtual reality training center threaten not just the Academy but civilization itself. Also there's a mysterious assassination.

Riggle's chance at love is interrupted by an unlikely attack on the Academy. Also there's a telepathic Hog Queen.