The Flash is headed to the future to discover who is Savitar and what happens in 2024. But when he gets there he is shocked to see the fall out of a future where he failed to save Iris West. Not only are all his friends different, but as executive producer Aaron Helbing explains in the video below, his villains have become more powerful. He must take on Mirror Master and the Top.
The Flash returns tonight at 8 PM on the CW. I'll be live tweeting / blogging the episode along with the West Coast showing.