A seemingly simple mold inspection at S.T.A.R. Labs leads to unexpected time anomalies. Barry and Iris try to make sense of the confusion - and figure out how to get back to their reality. Chester admits a secret to Allegra, which makes things awkward between the two, and Allegra relies on Cecile to act as a buffer. Meanwhile, Khione meets with an old friend of Team Flash.
Quest roles:
Diana Bang(Inspector Tao / Lady Chronos), Peter Kelamis(Inspector Howard), Natalie Moon(Jane), Harrison MacDonald(Mold Inspector Rogen), Chris Wood(Electrical Inspector Dupree)