The film's setting takes place in the ancient world of Greece, where legendary gods and monsters exist. Perseus, the son of Zeus, is portrayed as a brave character but also carries a contradiction between divine and human blood. When the city of Argos is threatened by the Kraken Sea Monster, a giant creature sent by Hades, the god of the underworld, to avenge the betrayal of the gods, Perseus is forced to act.
To save the city and its innocent inhabitants, Perseus assembles a group of heroes including Io, a cursed girl; Kalphus, a mighty warrior; and other warriors. They embark on a turbulent journey to find a way to destroy the Kraken and conquer the Kraken
