The "Mask of the Red Death" is a two-part story arc spanning episodes 4 and 5 of The Flash Season 9. The report below summarizes the key plot points and character developments for these episodes.
Iris is visited by what she initially thinks is the real Ryan Wilder, but she eventually realizes the visitor is an imposter. Episode 5: "Mask of the Red Death, Part 2" The Flash 2014 S09E05 Mask of the Red Death Par...
Team Flash calls upon a group of "Good Rogues" (including Hartley Rathaway and Goldface) to help rescue Barry. Meanwhile, Red Death leads her own "Bad Rogues," including Captain Boomerang and Rainbow Raider. The "Mask of the Red Death" is a
The villainous Red Death is revealed as a doppelgänger of Ryan Wilder (Batwoman) from another timeline where she became a villainous speedster after growing delusional about crime and her world's Flash. Episode 5: "Mask of the Red Death, Part
Red Death baits Barry with a tachyon signal and traps him. She intends to use his organic speed to power a cosmic treadmill so she can return to her own timeline.