When two engineers build a box that runs time backwards, they must decide how often to use it on themselves.

Longer logline

When two engineers tinkering in a garage build a machine that lets a man live the same six hours twice, in a world where the only rule is to sit in a hotel room and touch nothing until the loop closes, friends who begin by front-running the stock market must keep count of how many of them are now walking around, before the copies they have made stop agreeing about what happened.

Film: Primer · Writer(s): Shane Carruth · Director: Shane Carruth · Year: 2004