When the partical accelerator is back online, Barry will have to go back in time to stop Eobard Thawne on the night of his mother’s murder 15 years ago.
Still feeling responsible for Eddie’s death, Barry pushes his friends away and tries to protect the city on his own; Cisco assists Joe with the Meta Task Force.
With nothing left to lose, Barry takes on Savitar in a final showdown.
Barry chooses to use any means necessary to save the woman he loves; The Flash turns to Captain Cold for help.
Barry takes desperate measures to stop Savitar, while H.R. keeps pressuring Tracy Brand to set a trap for Savitar and Killer Frost has an interesting proposal.