The story follows two engineers, Abe and Aaron, who accidentally discover a method of time travel while working on a side project in their garage. Unlike most sci-fi films, Primer does not "dumb down" its concepts for the audience.
Reviewers often split between those who find the film's refusal to explain itself exhilarating and those who find it impenetrable.
“"The movie never looks cheap, because every shot looks as it must look... It is maddening, fascinating and completely successful." — Roger Ebert” Roger Ebert · 21 years ago
The film is dense with authentic-sounding scientific jargon and lacks traditional exposition.
