Hesione and the Trojan Sea Monster
Poseidon's sea monster ravages Troy, and Laomedon's daughter Hesione is offered to the creature until Heracles agrees to rescue her.
The Story
Laomedon's refusal to honour his agreement with the gods brought disaster upon Troy.
A sea monster ravaged the land.
The crisis could not be solved by Troy's walls or by the power of its king.
An oracle declared that Laomedon's daughter Hesione must be exposed to the monster.
She was bound near the sea and left to face the creature.
Heracles arrived during the crisis.
He offered to rescue Hesione.
But his help came with a condition.
Laomedon promised him the extraordinary horses that Zeus had once given to the Trojan royal house in connection with Ganymede.
Heracles confronted the monster and killed it.
Hesione survived.
Once again, however, Laomedon refused to honour a promised reward.
Heracles had saved the king's daughter and freed Troy from the monster, but Laomedon withheld the horses.
This second broken promise would prove even more dangerous than the first.
Heracles left Troy.
He did not forget.
He would return with allies and attack the city itself.
Key Figures
Why It Matters
The rescue of Hesione links Poseidon's punishment of Laomedon directly to Heracles and prepares the first sack of Troy. It also reinforces Laomedon's defining mythological flaw: repeatedly refusing promised rewards.
Traditions & Variations
Ancient sources differ over the exact nature of the monster, the terms of Laomedon's promise and details of Heracles' rescue. The central sequence of Hesione's exposure, Heracles' intervention and Laomedon's broken promise is widely preserved.