Liz and Raymond talk about the Task Force's investigation into a series of attacks on data centers perpetrated by a blacklister with a peculiar condition.
Barry and Iris won't be the only power couple this season. Gypsy is coming back! But she looks a little concerned. Has new trouble followed her from Earth-19?
The team investigates when a demon eyed phantom appears to have committed murder on Houdini & Doyle. "Spring-Heel'd Jack" is the fourth episode of the show's first season.