Bai Winchester committed a grave deed ending in the death of her younger sister. Now in the effort to bring back the sister she so loved, she will do anything, even work for the devil.

Seha Lee has gone rogue after learning what UNION has done with his mother and the lives of thousands of innocents. Escaping through the dimensional gates, he goes on a mission to rescue his mother. That led him to Remnant where it seems his mother has gone. However, he is followed by Irina, Tina, Ash, and Dust.

After defeating David Lane and saving the entire world from the dimensional monsters, the Black Lambs decided to disband and follow their own paths in life. In Seha's case, being enrolled in Beacon Academy and returning to school. Things were going so well, until he encountered a strange man in the alley. But then his entire life is changed forever after meeting Ruby Rose.