When an alien weapon intended to kill humans via computer systems backfires, its creator, Kemo, is maimed in the process and then sentenced to death for his incompetence. Having developed human emotions as a result of his accident, Kemo teams with Kincaid to destroy the weapon.

The alien embryo created on the "Breeding Ground" episode has now grown and is now a pre-adolescent in human terms (named "Adam"), residing in a special school occupied by human children with exceptional IQ's, secretly run by the Morthren. The aliens have nefarious plans for the children.