otanist Dr. Parrish finds a dead Wraith on a planet with a dangerous amount of UV radiation. Beckett does an autopsy and notices the enzyme sac has been removed, making it likely that Ford killed him. Sheppard and Teyla and McKay and major Lorne start a search party. Both groups report they are following someone, shortly after Sheppard and Teyla are stunned. They awake in a cavern with a stranger. Meanwhile Ford stuns Lorne. He's trying to convince McKay he's perfectly normal and that his Wraith enzyme overdose was the best that ever happened to him. He thinks it's the way to defeat them.

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