Mr. Slotter is the neighborhood hit-man. He's severe, cold, and devastatingly efficient at his job.Upon receiving his newest list of victims in the mail, he's surprised to find an attendance list of students from a local school.Now posing as a substitute teacher, Mr. Slotter is faced with his oddest job yet: to eliminate a class of preschoolers. As the day progresses, Slotter realizes that this job will be anything but simple.