After the things that has happened to Barry since Zoom appeared in Central City. Barry finding peace with his parents's death and creating the alternative universe called Flashpoint when he comes back and now everything was different, at least it was for Caitlin and Becca.

Barry and Rebecca are officially came out about being together to the gang, Barry runs circles around metahumans Intent of wreaking havoc In Central City, while traveling between alternative universes: when a mysterious man start showing up along side the team flash.

Rebecca is the younger sister of Caitlin Snow, they're both are scientist at Star Labs. But when the particle accelerator exploded and they meet a meta humans, called Barry Allen get struck by lightning and wakes up from coma for nine months and they help him use his powers for good, what will happen to Barry will he fall in love with Becca.