Taking the name of Jesse Quick and donning a mask, Jesse offers to help Barry against two metas, Mirror Master and Top. However, her inexperience puts her in danger and gets Flash trapped in a mirror. Meanwhile, Harry, Cisco, and Caitlin search the other Earths for a replacement for a Harry.

While Barry tries to deal with a new metahuman, Shade, Alchemy tries to convince Wally to join him and gain the powers that he had in Flashpoint.