Oscar-nominated actress Julie Walters (Mamma Mia, Harry Potter) takes on the lead role in a revealing portrait of Mo Mowlam; the powerfully charismatic woman whose no-nonsense approach to politics helped achieve one of the most monumental landmarks in British history, the Good Friday Agreement.Mo's warmth, passion and unorthodox style made her renowned throughout the country and loved by many. Away from the public gaze, she found happiness later in life with husband Jon Norton (David Haig - My Boy Jack), but just months before the pivotal 1997 general election, she discovered she had a brain tumour. Defying medics, her brave battle with ill-health was played out on the public stage.A poignant and intimate look at the life of the most popular, if controversial, Labour politician of a generation, as well as an inside account of the extraordinary events which led to peace in Northern Ireland.