Barry's secret identity is uncovered by Megan Lockhart, a private investigator employed by corrupt District Attorney Arthur Simonson, who blackmails Barry into becoming his secret accomplice in his efforts to bring legalized gambling into Central City on behalf of the organized crime.

Barry attempts to foil the kidnapping of Sofia Tomarquin, daughter of DEA agent Felix Tomarquin, who is scheduled to testify against drug lord Reuben Calderon. However, Calderon's enforcer, Marcos Trachmann, utilizes advanced microscopic devices to control Barry's nervous system and force him to help them kidnap Sofia.