Last year, the S.T.A.R Labs Particle Accelerator exploded, creating a dark matter storm that struck forensic scientist Barry Allen, bestowing him with super-speed and making him the fastest man alive. But Barry wasn't the only person who was given extraordinary abilities that night. The dark matter also created meta-human, many of whom have wreaked havoc on the city.

"After the devastating death of the Speed Force last season, Barry Allen, aka The Flash, finds his powers almost fully depleted. Nash Wells may have discovered a way to restore Barry's speedster abilities... but at what cost?"--Container.