Younglings on their Rite of Passage are shocked to regain consciousness with no memory of how they came to be in a gigantic insect hive far to the north of their homelands, laboring as drone-slaves of the savage ant-men. In a land where an insect revolution's has taken place, the PCs must contend with insectoid megafauna and a maze-like underground installation before facing the ominous Overmind: a building-sized insect queen cybernetically linked to an ancient chaotic AI.