六岁时，苏珊看见她的母亲杀了她的父亲。二十五年后，这件事对她的心理和生活影响很大。她在的大学发生枪击案，造成一些人员伤亡。制造枪击案的年轻人叫康纳，是一个危险的精神病患者。At the age of six years, Suzanne (Katee Sackhoff) saw her mother kill her father. Twenty-five years later, she is a professor of psychology and lives in fear of becoming a criminal like her mother. As she teaches a course at the university, gunfire broke out on campus, causing several casualties. The author of the shooting is a Suzanne's former patient. The young man named Connor (Grant Harvey) is a dangerous psychopath who kept her track to declare his love.