When Sarah breaks into Agent Ellison's apartment looking for a missing endo-arm, she discovers dossiers, files and video from her stay in the mental hospital. The files lead her to hospital psychiatrist Dr. Silverman, a doomsday convert who made Sarah's hospital stay unbearable. Meanwhile, Cameron enrolls in a ballet class taught by Maria Shipkov, Dmitri's sister, in an effort to track down his whereabouts and to find out who has the Turk. John learns what it took for his mom to escape the hospital; Agent Ellison's endo-arm discovery puts him danger.

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