Another deep dark secret from Jadzia Dax's previous life threatens to terminate her present existence. The memories of this secret are triggered by a strange melody, emanating from a host that Dax never knew she had. Experiencing strange hallucinations, Dax realizes that not only is she in danger, but that the entire Trill homeworld also faces destruction. Scripted by Rene Echevarria from a story by Christopher Teague, "Equilibrium" originally aired October 22, 1994.
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