A Taiwanese grandma (Ahma) has to travel from a rural town in central Taiwan to the capital city of Taipei in the north to pull Alan, her American-born grandson, out of jail before he gets deported by a vindictive police officer.

Abraham, driven by a divine calling, is a man on a chilling mission. He possesses an eerie gift: the ability to hear God's voice when nobody else can. As a driver by night, Abraham bears witness to the dark decay of human morality, encountering one passenger after another. Just like the fabled cities of Sodom and Gomorrah, he senses the impending arrival of God's wrath upon this wicked city. Convinced that he has been chosen to ignite the inferno of divine justice, Abraham inches closer to fulfilling his twisted purpose with each new passenger.