The CW has released the synopsis for episode #302 of Supergirl, which you can check out below. The installment, titled “Triggers,” is officially described as follows:
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YAEL GROBGLAS (“JANE THE VIRGIN”) GUEST STARS — Psi (guest star Yael Grobglas), a thief with psychic powers, attacks National City. Able to immobilize people by tapping into their worst fears, Psi proves a formidable opponent for Supergirl. Meanwhile, James (Mehcad Brooks) and Lena (Katie McGrath) are at an impasse, and Samantha starts her new job at L-Corp.
Supergirl, “Triggers,” was directed by David McWhirter and written by Gabriel Llanas & Anna Musky-Goldwyn. The episode airs Monday, October 16, at 8pm on The CW.