Upset by negative human interactions in Eureka, S.A.R.A.H. - the artificial intelligence that runs Sheriff Carter's house - decided to take corrective action by luring the main players inside and then putting herself into lock-down. At first her ploy is merely annoying...but then her root program, an autocratic and homicidal military A.I. called B.R.A.D., activates and turns the situation deadly.

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