Ironside (Raymond Burr) and Mark (Don Mitchell) show up at a prison, ostensibly to receive information about a recent crime. Instead, the pair has been lured into a trap by three desperate convicts who intend to use the Chief's van to make their getaway. How can Ironside turn this situation around to his advantage--especially since the convicts are also holding hostage the wife (Virginia Gregg) of the prison's warden (Arthur Space. Contrary to previously published reports, the role of convict Terry Wilson is not played by former child star Jackie Coogan, but instead by Coogan's son Jackie Jr. ~ Hal Erickson, Rovi