FKA Banshee Flash & Captain Cold Hazel Nora Allen is Barry Allen's little sister and she's a detective in the CCPD. She joined because of what happened to her mother also Barry is the only family she has to stay with. Suddenly, Hazel's life changed when she was accidentally struck by lightning along with Barry. Struggling to control her new abilities, Hazel meets Leonard Snart aka Captain Cold How will this relationship work???