KylieRae Condon

After being exposed to Red Kryptonite, making her malicious and dangerous, Kara turns on her friends and the citizens of National City. Also, Cat appears on The Talk to discuss Supergirl.

Alex enlists John's help in containing an outbreak. Donovan learns The Countess' true intentions. Liz and Iris plan to leave the hotel for good.

The Countess is reunited with her one true love. Donovan and Ramona take another stab at revenge. A careless decision lands Alex in hot water.