The Flash: A Legacy (Snowbarry/Flashfrost)
Barry, Caitlin, and Cisco encounter a new villain on a mission. Their new villain is a time mistake. Barry's daughter Nora travelled back in time and messed up the timeline, causing Cicada to arrive early. Barry and Iris broke up a few months ago and he starts to have feelings for Caitlin and Killer Frost and they have those feelings for Barry.
I own none of the characters. All rights go to the cw and dc