1987. Jordan Belfort becomes a broker at a successful investment bank. Soon the bank closes after the sudden collapse of the Dow Jones index. On the advice of his wife Theresa, Jordan takes a job at a small institution dealing in small stocks. His persistent style of communicating with customers and innate charisma quickly pays off. He gets acquainted with his neighbor Donnie, a merchant, who immediately finds common ground with Jordan and decides to open his own firm with him. As employees, they hire several of Belfort's friends, his father Max and call the company "Stratton Oakmont". In his spare time, Jordan lives his life: maneuvering from one party to another, engaging in sexual relationships with prostitutes, using a variety of drugs, including cocaine and quaaludes. One day there comes a moment when Belfort's rapid enrichment begins to interest an FBI agent...