Keller and the Atlantis team meet with the wraith, Todd, to deliver a startling proposition. Aided by her studies of Michael's retrieved data, Keller believes she has found the means by which to cure the Wraith of their need to feed on humans. All she requires are some wraith willing to act as test subjects for this breakthrough treatment. Todd is intrigued, but insists that they must first win the support of the Primary - the supreme Wraith Queen in the alliance. But to do so, Teyla must go undercover with nothing to rely on but her wraith DNA and an ally with a hidden agenda.
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