恢复巴里速度的实验适得其反时,纳什威尔斯想到一种危险的计划拯救闪电侠的方法。 与此同时,艾瑞斯在镜中实现了目标,塞西尔与尖峰女罗莎·狄伦展开对决!Ralph convinces Cisco to help him track down Sue, while Carver sends an assassin after Joe and Cecile after Joe's investigation threatens Carver's reputation. Meanwhile, Barry deal with the newfound limitation on his speed, and Eva gives Mirror Iris a new mission.