Thare was a meta villain attack on Gotham, one with water abilities, Gotham was evacuated, but you and the other vigilantes stayed to fight. When it ended, the meta sent a wave over Gotham separating you from the others, Dick, your boyfriend, went looking immediately, ignoring the others. He needed you safe, now

"Babe! You in here?!"

Dick looks into a building half submerged in water, a piece of your costume stuck to the side of it