The Third Wave (2003) on Netflix

Plot summary

Johan Falk resigned from the police and has not worked for more than a year. He wants to move to the countryside, but Sellberg, his former boss, now leads a Europol task force against a third wave of crime in Europe and invites him to join it. Falk turns the offer down. Rebecca opens one of the letters of Kane, the man she lives with, and learns that he launders money for mobsters across Europe. Kane turns violent to keep her quiet, and she escapes England. She offers Europol information in exchange for protection, while Kane orders her captured and brought back to England, under his control.