Anastasia, the dolphin, awoke to find herself stranded in another place and another time, where all lay on the brink of ruin. To return to the world she called home, she hoped to decipher the meaning of a strange device embedded on the side of her head, mysterious radio transmissions that called her by name, and the origins of sunken, underwater debris. Her ultimate fight for hope was against the Pontuses: two titanic machines cruising through the sea, which threatened to doom the planet.