The story revolves around an employee of a scientific research institute who was working on the development of a new type of aircraft engine. One day, he showed his project to a colleague for advice, but the colleague stole his work and successfully defended it as his own doctoral thesis. The protagonist's wife went to Italy with their boss, supposedly on a business trip. Feeling betrayed, the main character left the research institute and started helping his neighbors fix various things around their homes. Soon, the management of a company called "Handyman" approached him with a collaboration offer...