Lucifer, realizing that he understands nothing about Cain's mark, asks Amenadiel for help, but he refuses. Ella's older brother, Jay Lopez, disappears after a man he was meeting is murdered. Chloe asks Ella to recuse herself from the investigation, but she and Maze go off to find him anyway. Charlotte is turned down by Linda when she asks for a consultation, as she still fears her. The victim is tied to a jewelry store heist, and Lucifer and Chloe check with the owner, who reveals that the "robbery" was actually insurance fraud. Pierce tracks down Amenadiel, who he knows gave him the mark, and assaults him in anger. Chloe and Dan confirm that Jay was, in fact, hired to "clean" the stolen diamonds.