Alejandro González Iñárritu's 2003 film 21 Grams tells the non-linear story of three people—a sick professor, a grieving mother, and a guilt-ridden ex-convict—whose lives intertwine following a fatal hit-and-run accident. The drama explores themes of redemption and fate as the characters deal with the consequences of the tragedy, culminating in a deeply emotional resolution. You can watch 21 Grams on JustWatch and read a review on IGN . 21 Grams (2003) - Plot - IMDb