Llewelyn Moss finds a pickup truck surrounded by a sentry of dead men, with a load of heroin and two million dollars in cash still in the back. When he takes the money,

Llewelyn sets off a chain reaction of catastrophic events that not even the law – in the guise of aging, disillusioned Sheriff Bell – can contain.

Llewelyn tries to evade his pursuers, in particular a mysterious mastermind who flips coins for human lives.