The Flash must deal with Abra Kadabra's sudden return to Central City. The villain is back with a vengeance and a score to settle. Meanwhile, Allegra deals with a tricky situation. Caitlin suspects something is off with Frost. Iris is forced to look ... (more)at a dark moment in her past.

Brad Abramenko, Connor Parnall, David Dastmalchian, Donny Lucas, Frances Leigh, Jessica Hayles, Kunal Jaggi, Mitra Suri