The Streets of San Francisco

Hang Tough (5x16)

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A narcotics cop (Beatty) who has only four months to go till retirement, roughs up a drug pusher (Campos) and plants a knife on him. In the cop's efforts to cover this up, blackmail and murder ensue. A parallel story has to do with uncovering the ""Tucson connection"", a major drug ring operating in San Francisco.