The 'Escape at Dannemora' is based on a true story about a prison escape. It involves inmates who managed to break out of the Clinton Correctional Facility in Dannemora. There were issues with the prison security and the actions and relationships among the inmates and some prison staff that enabled this escape to occur.
The two main inmate characters were Richard Matt and David Sweat. There was also Joyce Mitchell, a prison employee who got involved with them. Matt was an experienced criminal, and Sweat was also serving time. Mitchell was in a position to help them in their escape attempts.
The true story of 'Escape to Dannemora' mainly revolves around two convicts. They managed to break out of Clinton Correctional Facility in Dannemora. There were issues with prison staff being involved in the escape plot, which made the whole situation very complex and a big scandal at the time. The story shows how the inmates exploited weaknesses in the prison system and the relationships they built within the prison to make their escape possible.