A trio of violent prison escapees leaves a trail of blood by murdering or crippling everyone they see.

Women keep turning up in hotel rooms strangled; the only lead is a witness who thinks he saw an air force Colonel's uniform. Keller goes undercover as an air force officer to infiltrate the base.

A teacher is murdered at an exclusive all-boys prep school.

Inpector Stone and Robbins go after a gang of thieves who use motor cycles to make their get away.