The Flash S09e02.mp4 -

The episode ends with a significant reveal regarding the Red Death:

The team meets a new entity inhabiting Caitlin Snow's body who calls herself "Snow". It is revealed that Caitlin's attempt to resurrect Frost resulted in her own consciousness being wiped, creating this entirely new persona with no memories of Caitlin or Frost. the flash s09e02.mp4

The Flash Season 9, Episode 2, 'Hear No Evil' Recap & Spoilers The episode ends with a significant reveal regarding

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). the flash s09e02.mp4

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.