Hacker follows the story of Alex Danyliuk, a young immigrant Ukrainian, which supports parents through his work illegally on the internet. When his family faces serious financial problems and fueled by anger towards the problems of banking institutions, he turns to a life of crime and online identity theft. Sye, a crook experienced places on Alex world transactions on the black market, helping him to quickly get money. They end up partner with Kira, a young hacker who works secretly as an FBI agent. Once achieved a rapid success in causing chaos in financial markets, they gain the attention of Z, a mysterious figure masked, who is the head of an organized criminal group online, and the number one target of the FBI. How will end Does the story for young Alex?