Road to Perdition (2002)

During the Great Depression, enforcer Mike Sullivan works for mob boss John Rooney, who loves him more than his own son, Connor. After Mike's son, Michael Jr., witnesses Connor commit murder, the boy's life is endangered. Connor, fearing exposure, kills Mike's wife and younger son, forcing Mike and Michael Jr. to flee. Seeking revenge and protection for his remaining son, Mike battles the mob's loyalty to Connor while evading an assassin. Their journey reveals deep family bonds and the high cost of violence.