"21 Grams" is a 2003 drama film directed by Alejandro González Iñárritu. The story revolves around three main characters whose lives intersect after a tragic accident. The film explores themes of loss, redemption, and the impact of fate on human connections. The title refers to the supposed weight of the human soul, suggesting that each person's essence can be quantified. The narrative is non-linear, presenting events out of chronological order, which adds depth to the characters' emotional journeys and highlights the complexity of their relationships.