The Roughnecks discover the commander of Delta Squad, Lt. Ross, wandering around on Hydora with his long-term memory wiped out and his entire squad missing.

Sent to the planet Tophet to determine if it can be used as a waystation, the Roughnecks encounter an indigenous race of humanoids.

Razak and Higgins spot a huge Bug migration and call in an air strike, but are trapped in the path of destruction when their skimmer crashes.