A man believes he has put his mysterious past behind him and has dedicated himself to beginning a new, quiet life. But when he meets a young girl under the control of ultra-violent Russian gangsters, he can't stand idly by - he has to help her.
Two hardened criminals get into trouble with the US border patrol after meeting with a Mexican drug lord, and then revelations start to unfold.
Robert McCall serves an unflinching justice for the exploited and oppressed, but how far will he go when that is someone he loves?