At the one year anniversary of Henry Allen's death, Barry is forced to keep his head up high as he continues his life without the man who gave him it. He finds himself drowning in work as monster outs metas and numerous murders crop up all over Central City. To make matters worse, his estranged little brother, Sebastian Smythe has taken up residence in the city too. The brothers have nothing but animosity between them. Can Barry balance his work and life crashing at the same time, or will everything crumble?