Peter Makes a bold move to head off a war between the Gypsies and the Croatian mob. After an agonizing detox, Pryce delivers disturbing news.

The search for Miranda and Nadia digs into Spivak’s past. Roman has an encounter with a mysterious stranger. Andreas and Destiny plan their future.

Castor and Topside force Sarah to make uneasy alliances. But there is some rest for the wicked, when Donnie gives Helena an unexpected ‘gift’, and the results of Alison’s candidacy…

Sarah, Felix, and Mrs. S are in London to track down the Castor Original, but their enemies are not far behind.

When the menace of Castor rears its head once more, Sarah and her entire family must come together to survive.

SG-1 teams with a Russian unit when one of their Stargate teams goes missing in a mysterious alien ziggurat.