“Concussion” is a small package, remaining intimate with its characters and composed with its drama. It’s a story of female sexuality told with interest in the subject, not just flying a flag of womanliness to attract a male audience. It’s tasteful work about a salacious subject, with writer/director Stacie Passon taking tremendous care with the subtleties of the story, sacrificing narrative drive to perfect moments of human connection and the parched crawl of lust. “Concussion” isn’t what it appears to be, making a considerable effort to upend expectations and carry onward with determination, working to scrape away the artificiality of female desire to survey an uneasy spot of dissatisfaction most viewers may identify with. Read the rest at Blu-ray.com