The movie 'Weekend at Bernie's' is not based on a true story. It's a comical farce that involves two employees who find their boss Bernie dead but then have to keep up the pretense that he's alive during a weekend. This is a purely fictional scenario, created by screenwriters to provide a humorous and outlandish story for the audience to enjoy. There's no indication or evidence of it being based on any real - world events or people.
It's hard to say for sure. Sometimes stories draw elements from reality but are still mostly made up. Without specific information, it's tough to determine if Bernie is based on a true story.
Well, without more context about this 'bernie true story', it's really hard to tell. Maybe Bernie is a local figure in your area and his story is known only there. You could give some hints like where he is from or what kind of story it is, like is it a heroic story, a rags - to - riches story or something else.