Dial "k" for killer.... SVU Hot Line operator Alexandra Rollins doesn't know what to do when she begins receiving vicious calls from a man threatening to commit a murder.??She can't tell the police--all calls are meant to be confidential.??Besides, it's probably just a practical joke.??It's best not to get involved...right? Wrong.??The maniac's threat turns into a promise when one of Alexandra's closest friends is killed on campus.??Over come with...