SG-1 is put on trial and exiled to a prison world, where a woman maintains a strange control over her fellow prisoners.

Jackson discovers that his wife has returned to Abydos, and is nine months pregnant with the son of Apophis. O'Neill must keep the secret of the Stargate program from being uncovered.

SG-1 discovers a military camp where young men are trained to impersonate SGC personnel to infiltrate Earth.