"The Death of the Speed Force" claims its first victim, forcing the Flash to reconsider whether the Speed Force is worth saving! But the Flash is unaware of Captain Cold's mission to power up his fellow Rogues, and Snart's next stop is right in the middle of a broken home. When Mirror Master and Golden Glider are at each other's throats, there aren't enough Lex Luthor power-ups in the world to bring them back together...or are there?