Rosie Foster is a twenty seven year old teacher at Sumchester Secondary and Sixth Form. Haunted by a troubled past , she sees every day through wishing she had somebody by her side. On the first day of a new school year , a new student who goes by the name of Kennedy Matthews joins both her form and A level history class. Rosie is immediately intrigued by Kennedy's sarcastic yet charming sense of self , Kennedy the same about Rosie , the two of them sharing an instantaneous mutual attraction to the other. Will Rosie brush this fascination under the rug , or will she allow herself to grow ever closer with this girl?