Perseus, the mortal son of Zeus, is living a peaceful life as a fisherman, raising his son, Helius, after the events of the first film. However, the gods are losing their power because humanity is no longer believing in them. Zeus is captured by Hades and Ares, who plot to free Kronos, the father of the gods, from his prison in the underworld. In order to save both the gods and humanity, Perseus is asked to rescue Zeus.
To do this, Perseus is joined by a group of allies, including the warrior queen Andromeda, the demigod Agenor, and Hephaestus, the god of the forge. They travel through dangerous lands and battle various monsters to reach the underworld. Along the way, Perseus learns of Ares’ betrayal and the true threat of Kronos, who seeks to destroy the world and free himself from his prison.
In the final battle, Perseus and his allies fight against Kronos and his monstrous army. With the help of divine weapons and his own courage, Perseus defeats Ares and manages to imprison Kronos once again, restoring balance between the gods and mortals. Perseus returns to his son, having fulfilled his destiny as a hero, while the gods regain their power.
Clash of the Titans 3 is filled with epic battles, mythology, and themes of sacrifice, redemption, and the relationship between gods and mortals.