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After a damning accusation of Cameron by Derek (recurring guest star BRIAN AUSTIN GREEN), John defends her and finds himself at odds with Derek. Cameron produces the memory chip of the cyborg Vick (recurring guest star MATT McCOLM - "CSI: Miami," "Baywatch"), and John hacks into the chip, learning of an information system which could lead to Skynet. Meanwhile, Cromartie (recurring guest star GARRET DILLAHUNT) closes in on John, and Agent Ellison has visions of Sarah.