Barry's speed is always increasing. But this time he's gone too fast. For a split second he's traveled faster than a Planck Instant, a unit of time in which the concept of time and space is irrelevant. Going beyond a Planck Instant even for a split second broke through not just the boundaries of his own Earth, but all earths, unlike when he opened his world to earth 2. Breaking the boundaries between all earths has had a big consequence. Whenever he runs, whatever earth he runs, the speed force fluxuates and sends him to the next earth. He faces new friends, new foes, and himself in MCOPresents "The Flash: Planck Instant". - - - Just know I am not in partnership nor associated with DC comics or the CW. This is fanfiction and written for your entertainment and nothing more. Also - link to sequel, "The Flash: Crisis on Earth ZERO": https://www.wattpad.com/story/130822395-the-flash-crisis-on-earth-zero