‘The Flash’ season 3’s episode 20, titled “I Know Who You Are,” is set to feature a showdown between Vibe and Killer Frost. Meanwhile, Barry tells Savitar that he knows his true identity. It will be interesting to see the character behind the cruel villain.
The lengthy synopsis for “I Know Who You Are” posted on TV Guide reads, “Barry (Grant Gustin) and the team meet Tracy Brand (guest star Anne Dudek), a scientist who may be the key to stopping Savitar.
Unfortunately, Killer Frost (Danielle Panabaker) is also after Tracy, so Team Flash must battle their old friend, which proves to be particularly difficult for Cisco (Carlos Valdes). Meanwhile, Joe (Jesse L. Martin) and Cecile's (guest star Danielle Nicolet) relationship takes a big turn.”
The upcoming episode is set to follow Team Flash as they attempt to protect an important scientist, Tracy Brand, who may be the key in defeating the villainous Savitar. However, things get more complicated when they have to protect her from Killer Frost, who is also set on hunting Tracy down after aligning herself with Savitar. It seems that Savitar has sent Killer Frost to retrieve Tracy after finding out that she may be able to stop him.
The new mission may prove too overwhelming for Cisco a.k.a. as he comes face to face with his old friend and is forced to do battle with her. In the promo, he insists, “She’s my best friend.” It will be interesting to see if Cisco will gather up enough willpower to go through with the fight or risk getting the entire team into trouble.
The promotional photographs posted on TV Fanatic shows Killer Frost taking Cecile hostage as she faces the members of team Flash. It will be interesting to see how Barry and his allies will manage to negotiate her release.
Meawhile, it seems that Barry has finally discovered Savitar’s real identity. In the promo, he tells his enemy that he knows who he is to which Savitar replies, “It’s about time.”
‘The Flash’ season 3’s episode 20, titled “I Know Who You Are,” is scheduled to air on The CW on May 2, 2017. It was directed by Hanelle Culpepper and written by Bronwen Clark & Joshua V. Gilbert. It will be followed by episode 21, titled "Cause and Effect,” directed by David McWhirter and scheduled to air on May 9.


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