Sheridan Smith and Alison Steadman star in this made-for-TV drama written and produced by Jimmy McGovern. When her husband walks out, Jenny (Smith) faces the prospect of bringing up her two children by herself, but with her mother Mary (Steadman)'s help, she manages to stay afloat. When Mary suffers a stroke and develops dementia, however, Jenny's world turns upside down once more and she finds herself having to choose between her own life and her mother's wellbeing.