For Taraji P. Henson, her epic performance as a woman facing the worst day of her life in “Tyler Perry’s Straw,” meant a relentless full speed ahead.

As bad as it is, there’s always someone doin’ it worse!” That’s just one of the pearls of wisdom dropped in Straw (now streaming on Netflix), an effectively tense action-melodrama set during a particularly rotten day in which a hard-working woman who only wants to take care of her daughter finally snaps.