Serena was a subject of the Phoenix Project in Salmon Creek. She was best friends with Maya Delaney and Daniel Bianchi, who is also her boyfriend, and is mentioned by both of them throughout the series, though she only appears in The Gathering. Serena was captain of the swim team, and was in the school choir as well. It is revealed that she is a supernatural type called a Xana along with her fellow swim team members Nicole and Hayley, both of whom were friends of hers. She drowns in the Prologue of The Gathering.