Seraphina Stronghold is the oldest child of the Commander and Jetstream or as she calls them, Mom and Dad. Steve and Josie Stronghold adore their daughter and are very proud of her. Senior of Sky High and owner of the restaurant The Velvet Fork, Seraphina is living the life she dreamed of. Her boyfriend Warren Peace is planning something huge for graduation but won't tell Seraphine and her parents know all about it. Enter her brother, Will Stronghold. The moment he enters Sky High, everything for Seraphina goes downhill. Will Seraphina graduate her last year at Sky High stress free or will her brother drive her insane? Follows the 2005 film Sky High. Only Warren Peace was aged up to be a Senior.