Have you ever thought about whether you would be capable of falling in love with a prisoner? Would you believe him if he assured you that he was innocent? Would you have a relationship with a confessed murderer? Do you believe that love overcomes any prejudice? If any of these questions have made you doubt, you have to read this story because that is what happened to Cora Quiroga, a young literature teacher who lived in a quiet Galician town with her boyfriend Mason Brown, a promising and ambitious lawyer. The couple's professional destiny takes them to Madrid. There, Cora meets Roque Gato in prison, a man imprisoned for having killed a young man in a fight, despite claiming to be innocent. A special chemistry soon arises between them that makes the girl question her whole life. Her relationship with Mason becomes a love triangle and the uncontrollable desire that the convict awakens in her puts her at a crossroads. Should Cora follow what her heart tells her and bet on a forbidden relationship with an imprisoned man? To do so, she will need to ensure Roque's innocence and face Mason's wrath.