After being betrayed by her lover, commoner Mila enters a contractual marriage with the mysterious noble Seos. She later discovers she is the reincarnation of Hera, Queen of Gods, and the long-lost legitimate daughter of the high priest clan. Amid endless plots and persecution, she awakens her divine memories. Together with Seos, the reincarnated Zeus, they transcend samsara and bind their souls with an eternal vow of true love.