It’s a sci/fi film called PRIMER. it was a big hit on the indie film circuit back in 2004. I recently came across it.
The writer/director/star of the film, Shane Carruth, clearly had a vision and the determination to pull off that vision.
I’ve been on day-long commercial shoots where we spent more on lunch.
This is the trailer.
And this is the handy explanation of just what the hell exactly is going on in this mindf**k of a movie.