The episode serves as Lucifer’s ultimate "revenge" and a strange form of bonding, showing how much effort Lucifer will put into a grudge.
In the final act, it is revealed that the entire day was a orchestrated by Lucifer.
Lucifer hired actors (including Benito, who was actually alive) and staged every "dangerous" encounter to get back at Dan for shooting him earlier in the season.
What should have been a routine task quickly turns into a nightmare as Dan gets entangled with a dangerous gang called Los X. His day descends into chaos through several key events: