Death Penalty: Female Prisoner SAORI

Saori, who was sentenced to death, has escaped from prison! Detectives Narita and Yamazaki are in pursuit of Saori. As Narita tries to handcuff her, she slashes his arm with a hatchet hidden on her back, then escapes again. As she continues on the run, Saori continues to commit murder. Where is she headed? And what is her true purpose...?