20th generation Dinotopian, Marion Seville is on a journey across Dinotopia training to be a leader. She encounters the Scott boys, and a new phase of her training begins, for she must tell them a few things they need to know about being on Dinotopia. Strong and dutiful in the movie, she becomes headstrong with flaring emotions in the series. With Karl Scott's influence, she becomes extremely unsure of what she wants to do in life; but that only thing she really knows is, what ever it is she does, she wants to do it with Karl.