The three billboards that goad local police into taking more action in a cold murder investigation are the strategic efforts of a bereaved mother whose daughter was raped and killed, but progress in the case is slow, God may not exist, Life may be meaningless - certainly this movie is meaningless - and so it ends up being through blackly funny, shocking, increasingly violent anarchy that the mother and several of the townsfolk seek resolution.
★★★★☆
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