When a captivating fare named Penny climbs into his cab, Harris, a world-weary taxi driver, finds himself engaged in the one type of courtship he can have with a passenger -- one which lasts so long as her journey. That's, proper up till she disappears from the again seat with out a hint. When confusion provides approach to actuality, he resets his meter and is instantaneously transported again to the second when she climbed into his cab. He and Penny discover themselves trapped in an endlessly looping nighttime cab trip, with solely one another for firm, and it modifications his life eternally.