Primer (2004)

Intellectual engineers Aaron and Abe embark on a journey of innovation, creating error-checking technology alongside friends Robert and Phillip. When a serendipitous invention appears to be a time machine, they delve into uncharted territory. As their obsession grows, the sci-fi drama unfolds, revealing dark consequences. Dense, obtuse, yet intellectually stimulating, this film is a cerebral challenge for viewers seeking a thought-provoking experience.