 The away team visits Doranda, inhabited according to the Ancient database. McKay doesn t detect any life signs however. In orbit they find a large destroyed Wraith fleet, on the surface everything is turned into dust. Only one building is left standing and McKay recognizes it as Ancient. It looks like an improved ground based version of the weapons satellite. McKay and Zelenka find out the ancients were experimenting with high-energy physics to find the ultimate power source, harnessing vacuum energy from our own space-time. McKay is one hundred percent convinced he can finish their project. Meanwhile Teyla travels to the planet Belkan to obtain a disease-resistant strain of flaxseed. Ronon joins her and one of the Belkan negotiators tells he s not the only surviving Satedan.