Concluding the 3-part "Brothers in Arms." Sibling rivalry escalates as Lucifer confronts the wannabe Endless brothers, and an unlikely ally may be his only hope for survival. Meanwhile, Beatrice makes the ultimate sacrifice in the name of love and honor.
Lucifer leads the defense of the Silver City, while Mazikeen brings her human ex-girlfriend, Beatrice, to the City. Lucifer (again) figures out how to defeat powerful adversaries, by turning their power against them, this time by playing with time.