Age of Atlantis - (Supergirl, Bk. 1)

All over National City, ordinary citizens have been performing amazing - and dangerous - feats. As if that wasn't weird enough, the Department of Extra-Normal Operations has captured a humanoid sea creature on a mysterious mission.

Could these incidents be related? Supergirl must discover the connection between this furious sea creature and the recent surge of supercitizens before they cause any more damage to the city - or worse, themselves!