The Flash Season 5 Episode 14 Cause and Xs

Barry and Iris welcome their daughter, Nora, from the future, who harbors a big secret. Meanwhile, Ralph Bar discovers a hidden message in his supervisor's blockchain research at his day job at McCulloch Technologies, pointing him towards a dangerous and powerful creation. Caitlin and Killer Frost argue about how to make the meta-human cure, and re-enter into the Velocity-9 drug after losing her powers while tracking Caitlin's father, Thomas Snow. Nora works with the team to track down truth behind Cicada's identity. Nevertheless, during their search, they're faced with an unexpected twist. Nora discovers that some members of Team Flash, including her parents, are working against her father's earlier mistakes, and have changed the course of their woes in her current timeline. Nora can't help feeling hurt and betrayed by this new realization, leading her to team up with Weather Witch to unleash chaos on Central City's weather systems and metas. Abercrombie, the Flash Museum's historian, warns the rest of the team of Nora's secret agenda and her collusion with Weather Witch, providing them with insights from the museum's extensive historical data. The team must act quickly to recover Nora's trust and prevent a terrible storm from destroying Central City.