『四级片』介绍:AheartbrokenChristmas-treesalesmanreturnstoNewYorkCityhopingtoputhispastbehindhim.Livinginatrailerandworkingthenightshift,hebeginstospiraldownwardsuntilthesavingofamysteriouswomanandsomecolorfulcustomersrescuehimfromself-destruction.