As a young woman in Ancient Greece, Myrto is doubly cursed to have been born both a mortal and a female.

When her father dies, leaving no dowry for her to marry, she wonders whether her brother will find her a husband or sell her into slavery. Although she'd rather have a kind master than a cruel husband, her brother decides to give Myrto to his form teacher Socrates as a second wife.

Being a second wife is not easy for Myrto, and while her new husband treats her kindly, his first wife Xanthippe is nothing but cruel. Myrto spends much of her time away from home in an attempt to avoid being alone with the terrifying Xanthippe, and soon strikes up an intellectual friendship with her husband's student, Plato. Although she wants nothing more than a friend, he has designs on more.

Now Myrto must discover where she belongs in this quickly changing world. Will she accept the lot she has been given by her family, succumb to romantic love, or pave the way for women of the future to live better lives?