The Flash gets an assist from XS. Meanwhile, CCPD enlists Chester for help when a mysterious device is found at a crime scene.

Team Flash uses the distraction of a bank robbing Meta to detract from the grief of losing someone they love.

Team Flash is under attack, and each must fight to save not only themselves but each other.

Barry’s desire to keep Team Flash safe is tested when Frost recklessly courts danger as she tries to stop the “Black Flame,” meanwhile, Iris tries to help a teen girl reunite with her mother but unintentionally does more harm than good.

Barry and Team Flash get closer to figuring out the Fire Meta but no closer to finding him meanwhile Iris, needing a distraction, follows a story to Coast City.

Barry trusts his instincts during a murder investigation, believing the suspect, despite the overwhelming evidence against him, meanwhile Iris gives Allegra an opportunity to be a mentor.

When a criminal invades the CCPD, Barry and Kramer must trust and rely on each other if they are going to make it out safely. Meanwhile, Caitlin learns a valuable lesson while out with Snow and Mark.

After returning home from a visit for their parent’s vow renewal, Bart and Nora quickly realize that things are not exactly as they left them. The duo race to repair any fissures in the timeline and restore everything back to the way it is supposed to be.