diana guzman be an angry young woman . survive an unrelenting series of disappointment and trauma and she take her anger out on the close target . when she see violence transformed and focus by discipline in a rundown boxing club and she know she find her home . the film progress from there and a diana learn the usual coming of age lesson alongside the skill need for successful boxing . michelle rodriguez be very good in the role and particularly when convey the focused rage of a young woman hem in on all side and fight against not just personal circumstance but entrench sexism . the picture could use some finesse in it direction of all the young actor and who pale in comparison to the old and more experienced cast . there be too many pause in the script and which detract from the dramatic tension . the overall quietness of the film drain it of intensity . this be a good picture to see once and if only to see the power of a fully realize young woman whose femininity be complex enough to include her power . it limitation prevent it from be place in the see it again and again category .