After quashing a plot by the Azure Flame to take over Seaside City, Tempest returns to Selene City to hopefully take a break from all the action. But the supervillain assault continues. Only this time, the shapeshifter Castor is caught up in the crossfire.

Castor and Tempest must work together to ensure that Selene City survives the coming storm but neither have realized that not everything is as it seems.