After taking a wrong turn in slipstream, the Andromeda receives a distress call from a Commonwealth prison, experiencing a riot the likes of which they have not seen before. Dylan and his crew quickly put down the rebellion, but Dylan keeps having flashbacks to the last time he was on this planet. Romy discovers that a now missing prisoner was not recorded in the logs, implying that she was a mole. Harper is shown the source of the planet's power and is told to bypass the ancient security system guarding it, so that the warden can keep it safe elsewhere. Meanwhile, ...