Sister Michael Mary Nolan, an American nun in São Paulo, Brazil, has dedicated her life to helping the underclass since 1968, providing education and legal support to impoverished communities. After experiencing the brutal murder of her students by hired gunmen, she pursued a law degree to effectively fight for human rights, working alongside lawyers to investigate political killings and secure justice for victims. Her relentless efforts, despite threats to her safety, reflect her determination to empower the marginalized and uphold their hope for a better future.