This document provides an overview of a fantasy series about five powerful sisters who are descendants of an ancient underwater civilization called Murrtaine. Each sister, known as a Soul Breather, has special abilities and powers. The series follows each sister as they discover their true identities and destinies. They must help the rightful king, Dante Dubonnetti, claim his throne by finding their destined mates from powerful royal families. The sisters face danger from human governments seeking to exploit them and from other royal families trying to prevent Dante from becoming king. The document teases several books in the series, each focusing on a different sister and her story.