The lawyer is visiting a prison to meet with a violent criminal who has been condemned to death. During the visit, things turn bad, there is a riot where prisoners escape and the criminal escapes taking a lawyer hostage.
Not streaming on a subscription service in the US right now.
Starring Pierre Richard, Victor Lanoux, Raymond Bussières, Jean-Pierre Darras, Yvonne Gaudeau, Jacques Frantz, Claude Brosset, Blanche Ravalec, Claire Richard, Bernard Granger