Redemption is obviously a good movie but not the best movies as movies are based on individual perception. The Shawshank redemption movie tells the story of a banker who was sentenced to life in Shawshank state for the murder of his wife and her lover, which he did not commit.
After Andy Dufresne, the banker, spent some time in the prison, another prisoner that was a contraband smuggler made Andy one of their acquaintance in their money laundering business.
This movie is no doubt a good movie as it was produced and directed by intelligent people with the likes of Niki Marvin and Frank Darabont, respectively. It is also starring great actors such as Tim Robbins, Morgan Freeman, Bob Gunton, William Sadler, Clancy Brown, Gil Bellows, and James Whitmore.