How much does life weigh?
A freak accident brings together a terminally ill mathematician (Penn), a grieving mother (Watts) and a born-again ex-con (Del Toro) in Alejandro Gonzalez Inarritu's fantastic multi-layered follow up to his debut 'Amores Perros', a gripping story that takes them to the heights of passion, the depths of obsession and sees the promise of revenge...
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