Alex Mack travels to Las Vegas for a family vacation, expecting fun and relaxation. Instead, she notices suspicious characters lurking around and realizes someone is tracking her every move. As strange events unfold in the bustling city, Alex must use her wits and special abilities to uncover the truth behind the mysterious pursuit. This installment in the Secret World of Alex Mack series blends mystery and supernatural elements with the excitement of Las Vegas as a backdrop, delivering a fast-paced adventure perfect for young readers who enjoy detective stories with a touch of the extraordinary.