Next week, "The Flash" will learn that he isn't "Untouchable." The episode will find Barry Allen facing off against Clive Yorkin, a metahuman who can kill with a single touch, and Barry will find himself in an entirely different kind of race when Iris' life ends up hanging in the balance.

Several new photos from "Untouchable" show the consequences of Yorkin's deadly power. In one, Joe, Barry and Albert examine a body that looks as though it has been mummified. A handful of others show Barry and Caitlin tending to an unconscious Iris in STAR Labs; this scene appears to take place after Iris was affected by Yorkin's deadly touch. Still others find Barry training Wally to be even faster than ever before, in hopes that they can stop Savitar from killing Iris in May.

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According to the official episode synopsis,

THE TOUCH OF DEATH – Barry (Grant Gustin) and the team at S.T.A.R. Labs work together to bring down Clive Yorkin (guest star Matthew Kevin Anderson), a criminal meta-human who is methodically killing people by causing them to decompose at an accelerated rate. Joe (Jesse L. Martin) becomes his next target but it’s Iris (Candice Patton) who is caught in the crossfire. The Flash mentors Kid Flash (Keiynan Lonsdale) and begins to elevate the newer speedster’s training to another level. Rob Hardy directed the episode written by Brooke Roberts & Judalina Neira (312). Original airdate 2/7/2017.

Airing Tuesdays at 8 p.m. ET/PT on The CW, “The Flash” stars Grant Gustin, Candice Patton, Danielle Panabaker, Carlos Valdes, Tom Cavanagh, Jesse L. Martin and Keiynan Lonsdale.