A young and incredibly talented scientist Maxim Minaev, who is on the verge of a grandiose discovery that promises him a Nobel Prize. In pursuit of fame and reward, Maxim conducts a risky experiment on himself and shrinks to the size of an ordinary test tube. Finding himself in a difficult situation, the main character realizes that he was left alone with his problems - his girlfriend left him, and his best friend turned out to be a traitor. Only a 12-year-old boy, confined to a wheelchair, agrees to help the hero.