Grace Lee Boggs is a 98-year-old Chinese American woman in Detroit whose vision of revolution will surprise you. A writer, activist, and philosopher rooted for more than 70 years in the African American movement, she has devoted her life to an evolving revolution that encompasses the contradictions of America’s past and its potentially radical future.

• metacritic

If you prefer a book, see also In love and struggle: the revolutionary lives of James and Grace Lee Boggs (I didn't read this but I heard its good):

James and Grace Lee Boggs were two largely unsung but critically important figures in the black freedom struggle. James Boggs was the son of an Alabama sharecropper who came to Detroit during the Great Migration, becoming an automobile worker and a union leader. Grace Lee was a Chinese American scholar who studied Hegel, worked with Caribbean political theorist C. L. R. James, and moved to Detroit to work toward a new American revolution. As husband and wife, the couple was influential in the early stages of what would become the Black Power movement, laying the intellectual foundation for labor and urban struggles during one of the most active social movement periods in modern U.S. history. Stephen Ward details both the personal and the political dimensions of the Boggses' lives, highlighting the vital contributions these two figures made to black activist thinking

• archive.org in "borrow"able format
• This and a couple other books are available from Anna

I personally have mixed feelings about the movie. But I am interested to know what anyone else thinks.