When a speedster named Reverse Flash starts messing with Barry Allen's life, Wally and Barry team up to stop him but when they attack him he traps them in the past. Now the Flashes have to get back to the future. The movie ends with Wally sacrificing himself to get Barry back to the future. The credits show Reverse Flash watching Wally now that both of them are trapped in the Speedforce.
Matthew McConaughey
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