After the PTA of a conservative high school in Indiana bans same-sex couples from attending the annual prom, a gang of flamboyant Broadway stars try to boost their image by showing up to support two lesbian students.

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.