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.
Lucifer and Chloe investigate a murder during which a witness claims a winged guardian angel saved her life, causing Lucifer to become paranoid about his own actions. Meanwhile, Pierce and Chloe's relationship takes an interesting turn and Lucifer discovers something that could change everything.