Saints Along the Street was an American novel by Charles Dickens. The story tells the story of a young man named Peter Dark who grew up and struggled in the American gangster world in the 1920s. Peter was originally a kind student, but when he joined a gang, he gradually became cruel and violent. He became a mafia boss and led a huge mafia empire. However, Peter was constantly hunted by other gangs and faced a struggle between morality and conscience. In the novel, Peter met many important characters, including his brothers, mentors, enemies, and allies. They had experienced many life and death trials together and solved many complicated problems together. Through Peter's growth and struggle, they found that they not only had to fight for their own interests, but also for the interests of society and others. Saints Along the Street is a profound mafia novel that shows the complexity and variety of the American mafia world in the 1920s. Through Peter's story, readers can feel the complexity of human nature and the struggle of morality. They can also understand the conflict between gangs and social justice.