The plot follows the lives of prison warden Bernadine Williams (Woodard) and death row inmate Anthony Woods (Hodge).
Warden Bernadine Williams oversees the execution of inmate Victor Jimenez alongside the prison chaplain David Kendricks.
While she maintains an outwardly calm and professional appearance, she struggles emotionally, drinking heavily after work and feuding with her husband, Jonathan.
He consents to see her during visiting hours, where she reveals that she hid her pregnancy from him and raised their son with another man because it was a better life for their child than with a father on death row.
As Marty and Chaplain Kendricks offer Anthony solace, the governor's office calls the prison to inform they will not grant clemency.
Her six years of research included running a film programme for inmates in Ohio and advocating for retrials in unsafe cases.
The website's consensus reads: "Clemency mines serious social issues for gripping drama, brought to life by an outstanding cast led by Alfre Woodard.
"[9] Metacritic, which uses a weighted average, assigned the film a score of 77 out of 100, based on 32 critics, indicating "generally favorable" reviews.
[10] Matt Fagerholm of RogerEbert.com lauded Woodard's performance in the final scene, writing, "This is screen acting of a very rare sort, and Clemency is a vital emotional powerhouse sorely deserving of being seen.