Betty Allen, now the Scarlet Speedster of Central City, has got heroics down to a science. Every day she has breakfast with her now husband Isaac West, goes to work, fights crime when need be, visits her mom in prison, and then goes home for the night. But one night, ass he sleeps, red lightning crashes through her house and wakes her, before a figure of vibrating yellow taunts her, telling her to follow in her father’s footsteps. Betty chases the woman throughout the city, but loses her due to her overwhelming speed. Here we meet “The Reverse Flash" Eowyn Thawne, a speedster from the 31st Century, who was the one who killed Betty’s father on that faithful day. It’s up to Betty to outrun this evil speedster and find out why she killed her Father.
Mid Credits: We see Walda laying down in a hospital bed as she was struck by lightning and into a rack of chemicals during the Final battle of the Flash’s. Walda’s hand starts to vibrate.
