What is the plot of along came a spider by James Patterson?

"Along Came a Spider" by James Patterson follows detective Alex Cross as he investigates the kidnapping of a senator's daughter by a calculating serial killer known as Gary Soneji. Cross teams up with Secret Service agent Jezzie Flanagan to track down Soneji and rescue the girl before it's too late. As they delve deeper into the case, they uncover shocking twists and turns that lead them to a thrilling conclusion.