Bored and unhappy as the Lord of Hell, Lucifer Morningstar abandoned his throne and retired to Los Angeles, where he has teamed up with LAPD detective Chloe Decker to take down criminals. But the longer he's away from the underworld, the greater the threat that the worst of humanity could escape.

Best friends Emily and Lesley go on a road trip to the desert. When Emily decides to get off the highway and take a "short cut," they become the target of a relentless and psychotic trucker who forces them to play a deadly game of cat and mouse.