The episode ends with a significant reveal regarding the Red Death:
The episode primarily deals with the fallout of the Season 9 premiere's cliffhanger regarding Caitlin Snow and the emergence of a new threat.
Joe expresses his desire for the family to leave Central City for a safer life, a point of tension for Cecile as her career and powers grow. The Ending & "Red Death"
By the end of the episode, the new entity decides she wants to live her own life and chooses the name Khione , after a flower her father, Thomas Snow, once studied.
After Hartley helps Barry defeat the Fiddler, he chooses to help Khione by destroying the CRC, ensuring she cannot be "overwritten" by Caitlin or Frost.
A new iteration of the Fiddler (Andrea Wozzeck) attacks Hartley Rathaway's (Pied Piper) nightclub to steal his sonic gauntlets. She is working alongside a new Captain Boomerang (Owen Mercer).
