Well, we’ve reached the penultimate episode of the season, so it’s time to start wrapping things up. Team Flash tries to stop Cicada II from committing mass murder and Ralph works on figuring out Thawne's plan.

Icicle returns to enact the next phase of his devious plan, Caitlin and her mother, Dr. Carla Tannhauser, must resolve their long-combative relationship to defeat the icy monster. After Barry makes a big decision about their family without consulting her, Iris decides to take matters into her...