The Reverse-Flash taunts The Flash and warns of repercussions if Barry continues to forget his old life. When disaster strikes, Barry must decide whether to live as Barry Allen or return to his universe as The Flash.
Barry (Grant Gustin) and Team Flash try to figure out a way to change the future to save Iris (Candice Patton) from her inevitable death. The only way for them to do that is to go back to the future. Wally West (Keiynan Lonsdale) will be suiting up as Kid Flash as he teams up with Barry. Will these guys be successful in changing the future and stop Savitar or will the future remain unaltered by their actions?
Barry Allen (Grant Gustin) and Cisco Ramon (Carlos Valdes) must work together to save Harrison Wells (Tom Cavanagh) from an inter-dimensional bounty hunter who seeks to kill him, as it is a crime on Earth-19 to transport yourself to another earth. Cisco and Barry must fight against the bounty hunter in a fight to the death to save Harrison's life.