Uneasy after his last encounter with Naru and Eureka's claim that the Secrets are not enemies, a sleep-deprived Ao is sortied along his team to confront a Secret which has appeared beside a Scub Coral that was mysteriously reactivated. Ao is shot down by the enemy and after waking up, he learns that the other Scub Corals around the world are being reactivated, too, putting Generation Bleu in a state of maximum alert to confront the multiple Secrets emerging near them.