21 Grams

Jack Jordan, a reformed ex-convict, seeks to rebuild his life by embracing a newfound religious faith. This faith serves as a pillar of strength in his ongoing struggles with drug addiction and alcoholism.

Paul Rivers, a mathematics professor, confronts a bleak reality with a fatal heart condition. He must find a suitable organ donor within weeks to survive, increasing the tension in his already strained marriage.

Cristina Peck, a dedicated mother and recovering addict, enjoys a peaceful life in the suburbs with her husband and two children. This starkly contrasts her previous chaotic life consumed by addiction.

One fateful evening, Jack's reckless driving leads to a tragic hit-and-run accident that claims the lives of Cristina's husband and children. This event intertwines the fates of Jack, Paul, and Cristina in catastrophic ways.

In the aftermath of the hit-and-run, Cristina is left devastated and turns back to drugs and alcohol to numb her unimaginable pain. Her life spirals downward as grief takes hold.

After receiving a heart transplant, Paul clings to hope for a new beginning while struggling with his wife's pressure for sperm donation. This leads to deeper issues in their marriage, worsening their connection.

A shocking revelation about an abortion during their separation causes a rift between Paul and his wife. Paul, feeling betrayed, begins to distance himself from her, and their marriage becomes increasingly fragile.

Haunted by guilt from the hit-and-run, Jack grapples with his conscience. Despite his wife's urging to remain silent, he decides to confess his sin, believing his duty is to God.

After Cristina chooses not to press charges against Jack, he is released from prison. Struggling to reintegrate into society, he becomes a wandering laborer, haunted by his past actions.

Paul tracks down Cristina, revealing how their lives are deeply intertwined. As they share their pain, they begin to form a connection, united by their mutual suffering.

Cristina, consumed by grief, persuades Paul to help her orchestrate Jack's murder. Their shared desire for vengeance brings them even closer despite the moral implications of their plan.

Paul arranges a meeting with Jack at a motel, armed with a gun to confront him. However, he falters at the crucial moment and instructs Jack simply to 'just disappear.'

Following the confrontation, Jack unexpectedly reappears at Paul and Cristina's motel. An ensuing struggle leads to Paul suffering a heart attack, during which he accidentally shoots himself in a frantic escape attempt.

In desperation, Jack and Cristina take the injured Paul to the hospital. In a last-ditch effort to protect himself, Jack claims responsibility for the shot, but he is soon released due to lack of evidence.

After Paul's death, Cristina discovers she is pregnant, leading her to tentatively embrace the prospect of motherhood once again. She begins preparing a room filled with memories of her daughters, reflecting on her hopes and fears.