There are some great scenes in 21 Grams, but as movies go, it's a bit of a cheat. The title refers to the amount of weight a body loses at the moment of death -- the weight of a human soul, you might say.

21 Grams presents the lives of three unconnected people: An ex-con (Benicio Del Toro) who has found God and now helps troubled adolescents; a college prof (Sean Penn) whose marriage is foundering and who, in more literal affairs of the heart, will die if he doesn't get a heart transplant, and soon; and a young woman (Naomi Watts) who has sworn off the wild life to become a loving wife and mother.
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