In the center of the story will be the famous Serbian inventor Nikola Tesla, who for a long time worked for another scientist and businessman Thomas Edison. When Tesla suggested to use alternating current for the production of generators, Edison had ridiculed his idea. Offended, Nikolai quit the company and created his own next door. Then Thomas got angry at the former employee and began an active fight with a new competitor, claiming that alternating current is more dangerous to life than direct current. Defending his idea, Tesla made a number of discoveries that changed the world forever.