In Soleana, the beautiful city of water, Sonic has met the beautiful princess Elise, whom he quickly befriends. When the sinister Dr. Eggman abducts Elise in an attempt to destroy her precious kingdom, Sonic will have to use all of his skills to thwart the evil plan and rescue his friend. He'll have to speed through obstacles and maneuver through a series of adventures. Can he save the princess before it's too late?