SPOILERS/NSFW - DC on SCREEN #269 - The Flash 3x07 - Killer Frost | Recap & Review - The God of Speed takes Barry for a run and just beats the ever-loving hell out of him.  Cisco vibes over with Caitlin just in time to save him, but it costs her dearly as Killer Frost starts to manifest and take over.  She snaps into villain mode in a desperate quest to find Dr Alchemy and get rid of her powers, attacking Alchemy’s followers and kidnapping Julian to help track him down.  The Flash tracks her down and she empties the bag, revealing to Cisco that his brother was alive before Flashpoint, which does not go over well.  She escapes and wounds Barry so it’s Cisco that captures her later.  They lock her away in STAR Labs for the time being.  Meanwhile, Joe decides he can’t trust science with this one and takes a saw to Wally’s cocoon.  He emerges as a speedster, but his mind hasn’t caught up with his body so he takes off aimlessly.  Barry knows he’ll need Caitlin’s help to fix Wally so he lets Killer Frost out of lockup with only one demand: she has to execute him to leave this room.  Caitlin proves she’s still herself as she overcomes her inner Killer Frost and they hug it out.  She develops a serum to help Wally that works like a dream.  Barry tries to tie up a loose end and talks to Julian, who now knows that Caitlin is a Meta.  He agrees to protect her secret but only if Barry resigns immediately.  Barry agrees and cleans out his office.  Finally, Savitar shows up to re-enlist the help of Dr Alchemy, who is really Julian Albert...