A powerful earthquake, deep beneath the waves, generates a tremendous tidal wave that threatens to capsize an oil tanker. Arriving on the scene, Aquaman summons several pods of whales to serve as a barrier between the wave & the tanker. Investigating the epicenter of the seaquake, Aquaman and Aqualad discover a rift in time and space, revealing multiple rifts along the temporal continuum. The rift manifests as a series of corridors leading to different eras, the opening of one corridor exiting into present day. The two heroes witness a Hesperornis and a Meganeuron, a prehistoric water fowl and dragonfly, respectively, enter their time through the portal. Fearing something worse will soon make it's way into the present, Aquaman summons a pod of whales, along with several squid, to ram a sun