"Heat" director Michael Mann helms this slick thriller about a computer hacker (Chris Hemsworth) sprung from prison to assist the U.S. and Chinese governments in finding the "blackhat" whose devastating malware nearly caused the meltdown of a nuclear power plant. Teamed with an F.B.I. agent (Viola Davis) and a beautiful programmer (Wei Tang), the newly deputized cyber-warrior puts his mental muscle to a very dangerous test. Co-stars Leehom Wang, Christian Borle. 133 min. Widescreen; Soundtrack: English Dolby Digital Lossless 5.1; Subtitles: English (SDH); audio commentary; interviews; featurettes; image gallery.