ext fiends to return are giant Pinky and smart Herman Ames, twin brothers who ruthlessly mounted a rare, nearly successful escape in 1963. Also back is Alcatraz jailer Donovan, their accomplice then, who poses as an island Ranger to trick the team. Doc, Hauser and Rebecca each get in danger while they work out that the three are after a treasure, Civil War gold, which the warden kept locked up.

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