More of Moya's crew is reunited on a planet where Interion scientists are conducting an archeological dig. But their happy reunion is threatened when Commandant Grayza arrives and puts Crichton under a sensual spell.

Teal'c and his son, Rya'c, battle to save Earth. Meanwhile on Earth Jack pilots the x-3, a newly designed interstellar spacecraft that will carry the Stargate far away from Earth so it can explode harmlessly in deep space. This could be the end of SG-1 as there will be no more Stargate.

The team have to deal with a shooting that brings many casualties in as David Collier investigates as Lara and Simon await to see who will become the new medical registrar.