Barry Allen uses his super speed to change the past, but his attempt to save his family creates a world without super heroes, forcing him to race for his life in order to save the future.
 
This movie is hot mess.
 
FUN FACT:  Michael Keaton was 71 at the time of this film's release, making him the oldest actor to play Batman in a live-action film or TV series. The only actors who were older were Adam West, who was 88 when he voiced Batman for a final time in Batman vs. Two-Face (2017) (released after his death), and Olan Soule, who was 74 when he voiced Batman for a final time in the seventh season of Super Friends (1973).