The Secretary

When single mum Ruth has a brief fling with Rob she's mortified to discover that he lied to her. He lied to her because he's married. Worse still he's the husband of Janine head of the PTA at the primary school where Ruth works as secretary and when the truth of their fling is discovered Ruth suddenly has a lot of enemies at the school gates. Threatening texts begin to arrive rumours abound and the staff room becomes hostile. But when it also starts to affect her son a student at the school Ruth realises you can do anything if you convince yourself it's for the sake of your child. Even murder.