In the follow up to Sea Dweller, Book One in the Birthstone Series, Aylen must return to the her parent's homeland to learn how to control her gems before they consume her. When she discovers the only way to ensure Sai's safety is to leave him behind, she insists he remain on their secluded island home. While Aylen faces a new world and a land in peril, Sai takes matters into his own hands. Though he knows his decision may cost him his life, Sai is determined to follow the girl he loves across an ocean. Through their unique journeys, Aylen and Sai must both make difficult choices and learn to rely on their own strength. As Aylen masters her abilities and gains the confidence of an oppressed kingdom, Sai’s choice to follow Aylen produces agonizing consequences that will change their lives- and their relationship- forever.