An ancient prophecy foretells the reunion of separated triplets who will overthrow a king and bring peace to the land. Tarlan, Elodie, and Gulph, unaware of each other's existence, are driven together by destiny and celestial signs. Each possesses a unique magical ability: Tarlan communicates with animals, Elodie hears ghosts, and Gulph can turn invisible. Their challenge lies not only in mastering these powers but also in surviving the perilous journey to claim their birthright and fulfill the prophecy, facing unknown threats as they are drawn towards their shared fate.

The premise of 'Crown of Three' sets up an epic fantasy narrative with a strong focus on destiny and the development of unique magical abilities. The comparison to 'Game of Thrones' suggests a complex world with political intrigue and significant stakes, tailored for a younger demographic. The narrative appears to center on the challenges the triplets face in not only discovering each other but also in surviving long enough to fulfill their prophesied roles. The blend of family secrets, fantasy elements, and a quest for power indicates a story rich in adventure and character development.