S1, E6: Special needs teacher Alison Wade and her unemployed house husband David are drifting apart and whilst she initially rejects the advances of charming work colleague Ben. David does not believe her when he discovers that she failed to attend a teachers' conference and accuses her of having an affair. As the marriage falls apart a bitter custody battle for the Wades' children leads to David's policeman father employing dirty tricks to discredit Alison and her appearance in court as the accused. She will need to keep very calm in order to clear her name. Starring Naomie Harris.