All but guaranteed to be an early Oscar contender, ‘Sing Sing’ is a quiet powerhouse of a film that rings loud with authenticity and heart.

Cinemacy

Divine G (Colman Domingo), imprisoned at Sing Sing for a crime he didn’t commit, finds purpose by acting in a theatre group alongside other incarcerated men, including wary newcomer (Clarence Maclin), in this stirring true story of resilience, humanity, and the transformative power of art, starring an unforgettable ensemble cast of formerly incarcerated actors.—A24