One night, she and her family are attacked by three sibling strangers who claim that her father is someone they know from the past and demand from him a magical sword, displaying control and power over water, earth, and air.

[3] From her classmate, she learns that her father was really an immortal warrior from ancient Minoan civilization named Demetrios, who used the sword to confront and defeat the siblings who are actually powerful demigods that were terrorizing the people of his native Crete and had killed his family.

After successfully intimidating the siblings into hiding, Demetrios settled in North America, stopped using and hid the sword, and assumed a normal life and raised a family.

He had actually survived and vowed vengeance on the siblings who betrayed him by tracking down Demetrios and planting himself in his life, posing as a student and Dara's friend and waiting for the right opportunity to strike.

He commits suicide, after which Dara tosses the sword into a volcanic lava pit where it sinks down to the Earth's core, causing all of her sustained wounds to unheal as she returns and dies in the remains of her home.