Suppose The movie 'The Shawshank Redemption' was released in 1994 and directed by Frank Darabont. It is based on the novella 'Rita Hayworth and the Shawshank Redemption' by Stephen King. The film tells the story of Andy Dufresne, a banker who is wrongfully convicted of murder and sentenced to life in Shawshank State Penitentiary.
Can we infer that the protagonist of 'The Shawshank Redemption' is guilty of the crime he was convicted for?