This essay considers the new prison in Kalmar, which was built 1852 and replaced the former prison in the castle of Kalmar. In the forts the conditions were awful and the interms lived together in large rooms. With the new reform that took place in Sweden, with the so-called Philadelphiasystem, the concept was to isolate the prisoner one by one in smaller rooms. The idea was to give them a religious ground so they could get themselves a self-reflection and a conscience. It was a new system for the personnel to control the internals and the order in prison..