Michelle Williams delivers a raw, emotional performance as Cindy, a woman haunted by her past, in the gritty, realistic drama "Blue Valentine." As her marriage unravels, Cindy finds herself drawn to her husband's cousin, Bobby, with whom she shares a forbidden, intense connection. Their secret affair, fueled by lust and desperation, plays out in vivid, explicit detail, with Williams' powerful portrayal of Cindy's sexual awakening and surrender.