The book centers on a girl, Estrella, who has just lost the love of her life upon discovering that she comes from a different world.
Estrella was, as an infant, discovered in a forest by her adoptive mom and dad. Eighteen years later tragedy falls on her as the love of her life is killed. Before she can even begin to accept that Damien is gone she is pulled into another world, Pythagora. Once there she finds out that her real parents are, in fact, the rulers of Pythagora. Her mother disappeared when she was a baby while her father still rules with his diabolical sister, Velucra.
Once in Pythagora, she is befriended by two brothers, Marquis and Larmanca, who take her to a sanctuary where she is told that her father and Aunt are, in fact, made of pure evil. She agrees to help them rid Pythagora of the two tyrants in exchange for help getting back to her own world. But things aren't what they seem, in her old world or her new world.