Grandia III takes the adventure to the skies, putting you in the role of Yuki, a young man with dreams of flying his own plane. He soon comes into contact with a young girl named Alfina, a Communicator who can speak with the Guardians–giant beastlike gods who protect the citizens. As the world faces the greatest danger it has ever known, can a would-be pilot and an inexperienced Communicator save them all?