With an end goal to put a positive picture on Supergirl in the wake of a genuine incident, Kara asks Winn and James to assist her with consummating her abilities, while Hank and Alex put Kara through broad physical preparing.

Supergirl S03E05, Kara and Sam investigate, discovering that all the affected children attended a public pool laced with a chemical which causes the same symptoms, and the manufacturer is owned by Morgan.