'Don's Plum' is the Leonardo DiCaprio movie the “Titanic” star doesn’t want you to see. In 1996, Leo and fellow up and coming stars Tobey Maguire and Kevin Connolly acted in an improvised film project, “Don’s Plum.” No s. No script. What could go wrong? Now, 23 years later, two of the filmmakers — Dale Wheatley and Tawd Beckman — open up about the best and worst times of their lives. This is when life was good. This is when the friendships were good,” Wheatley told The Post. Little did he know this “film with our friends” would eventually be blocked by its stars. Find out the true, untold story in the premiere episode of “The Curse of Don’s Plum” by the New York Post.

Leo loved it. Tobey hated it. But what really went down as “Don’s Plum” — a never-released 1996 movie — ballooned from short film into feature-length disaster? Find out the untold story, including Tobey Maguire’s “extremely uncomfortable” dialogue, in this episode of “The Curse of Don’s Plum.” “Everything was better, man,” filmmaker Dale Wheatley said through tears. “Everything we promised was on the screen.” After a successful MGM screening, an offer by super-agents CAA, and rumors of Miramax wanting to distribute the 72-minute film, it suddenly all fell apart in true Hollywood fashion.

“Don’s Plum” seemed destined for success. But when the film starring Leonardo DiCaprio and Tobey Maguire was blacklisted by its stars, the cast fell apart — and destroyed lives. Find out the dirty details of the lawsuit, and eventual overseas release, in the finale of “The Curse of Don’s Plum.” “This breaks my heart to this day,” filmmaker Dale Wheatley said in an emotional sit-down with The Post. “I was afraid to go to my own premiere.” He skipped the Berlin Film Festival in 2001, fearing legal backlash, and eventually made just $180 for his work. The dark cloud hovering over the film follows him to this day.