Lucifer angles to be his father’s successor. Ella makes a painful confession. Chloe investigates a murder at an aquarium.

Lucifer learns that not all of his siblings want him to land the big promotion. Also, Dan offers to set Ella up with an old friend.

The end is nigh! Lucifer, Chloe, Maze and Amenadiel prepare for battle with Michael and his not-so-angelic army of supporters.