Take a look @ footage, plus images from the "Supergirl" episode "Ace Reporter", written by Paula Yoo, Caitlin Parrish and directed by Armen V. Kevorkian, airing April 24, 2017 on The CW:
"...'Jack Spheer' (Rahul Kohli), the ex-boyfriend of 'Lena' (Katie McGarth) comes to 'National City' to unveil his big breakthrough in nano-technology, which has the potential to eradicate all diseases.
"Lena asks 'Kara' (Melissa Benoist) to attend Jack's conference with her for support. When Kara sees 'Snapper' (Ian Gomez) in attendance she's inspired to tap back into her reporter skills and questions Jack on his discovery, which ultimately leads to a bigger investigation that puts everyone in danger..."
Click the images to enlarge and Sneak Peek "Supergirl: Ace Reporter"...