Erroll Babbage has spent his career tracking sex offenders, due to his abusive behavior against the sex offenders that he monitor's, he is forced to an early retirement and has to spend his last eighteen days training his replacement Allison Lowry. When he links one of his deranged parolees to the disappearance of a local girl, he and his new partner must scour the S&M underground to find her before it's too late.