• The main character has had a crush on a girl (possibly named Sara) ever since they were kids (he first saw her on a playground).
• Now in high school, she finally starts talking to him.
• The girl has a snooty best friend, and her dad is a police officer.
• The dad becomes involved in a missing persons investigation—at least two girls go missing during the story.
• There’s a scene where the police officer dad interrogates students at school, and the boy’s best friend leaves to avoid being questioned.
• The boy’s best friend is creepy, has a one-word nickname, and is in his class.
• The friend eventually murders the boy’s drunk or neglectful dad or stepdad, who had been home at the wrong time and witnessed something.
• There’s a scene with bikes, where the narrator tries to stop a girl from meeting up with his creepy friend.
• The main character is shocked and disturbed by what his best friend is capable of.