The aftermath of the Flash War has left the Flash's world turned upside down, with allies few and far between. Time-lost future cop Commander Cold is an unreliable partner at best, but Barry needs his help facing the high-flying Para-Angels and Rogues Trickster and Heat Wave, especially when the Strength Force and the Sage Force transform the villains into deadlier, twisted versions of their former selves. But will Cold be able to turn the tide when the Strength Force wreaks an unexpected change ...