Mykola Melnychenko is a person who used to work for the government in Ukraine. He had a job that involved listening and recording secret conversations between important people. One day, he recorded a conversation between the President of Ukraine, Leonid Kuchma, and some other people. In the conversation, they talked about some bad stuff that they were going to do to a journalist named Georgiy Gongadze. Georgiy was later kidnapped and murdered. People were very upset and wanted to know what happened. Mykola decided to be brave and share the recording of the conversation with the public. This helped to solve the mystery of what happened to Georgiy and it also exposed some bad things about the people in power. Mykola became famous for being a hero who helped to bring justice to Georgiy and to fight against corruption.