Leonardo DiCaprio immortalized Jordan Belfort in Martin Scorsese’s 2013 epic “The Wolf of Wall Street,” portraying the former stockbroker and convict’s rise and fall with coke-addled intensity.

But an upcomingParamount+ docuseries, “The Real Wolf of Wall Street,” promises to unveil the true story of Belfort and his boiler room brokers at Stratton Oakmont, which is “even darker and more debauched than previously known.”

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The three-part doc is currently in production from Maxine Productions (“Quiet on Set,” “The Fall of Diddy”) and See It Now Studios (the division behind recent true-crime docs “Don’t Date Brandon” and “Thirst Trap”), and it will premiere later this year.

“The Real Wolf of Wall Street” features exclusive interviews with insiders who have never previously spoken out about Belfort, plus new footage and 15,000 previously unreleased government documents. It will show how Belfort became the face of 1990s excess before his fraudulent brokerage firm imploded and he was sent to prison. (As of now, Belfort is not involved in the project.)

As the head of Stratton Oakmont, Belfort led a stock market scheme that defrauded investors with “pump and dump” penny stock sales. Before it all came crashing down, he was famous for his extreme party lifestyle, which involved copious amounts of drugs, women and yachts. In 1999, after securities regulators had closed in on Stratton Oakmont, Befort pled guilty to securities fraud and money laundering charges. He served 22 months in federal prison and became an FBI informant, giving testimony against several of his co-conspirators. In 2007, he published the memoir “The Wolf of Wall Street,” which Scorsese adapted into his Oscar-nominated film of the same name.