When a mysterious cyberattack cripples a Chinese nuclear facility and manipulates the Chicago Mercantile Exchange, the digital frontier becomes a new battlefield. To track down this elusive and dangerous hacker, American and Chinese authorities forge an uneasy alliance. Their only key to the culprit's digital signature is Nicholas Hathaway, a convicted computer genius played by Chris Hemsworth, who is furloughed from prison by Chinese military officer Chen Dawai (Wang Lee Hom) and dogged FBI agent Carol Barrett (Viola Davis). As Hathaway, Dawai, and Dawai's network specialist sister Lien (Tang Wei) plunge into the shadowy world of global cybercrime, they race across continents from Los Angeles to Hong Kong. Directed with sleek, atmospheric tension by Michael Mann, this high-stakes thriller unfolds in the neon-drenched glow of server racks and the anonymous sprawl of megacities, where every click can be a weapon and the most dangerous attacks are launched from the dark.