A two-part drama about the Victorian serial killer Mary Ann Cotton.
Cast:Joanne Froggatt , Alun Armstrong , Isla McMonigle , Laura Morgan , George Kent , Emma Fielding , Jonas Armstrong , Hayley Walters , John Hollingworth , Alexander McMonigle , Seamus O'Neill , John Bowler , Sam Hoare , Tom Varey , Penny Layden , George Potts , Paul Bentall , Isobel Dobson
24-year-old Mary Ann Cotton returns home to Seaham, County Durham having eloped to Cornwall with Billy Mowbray. A terrible cycle of births and deaths has haunted the pair but as Mary's circumstances worsen she finds a deadly solution.
Returning to Sunderland, Mary Ann discovers that James Robinson has had a change of heart over his relationship with her. Furious, she sets out to get rid of the impediments to their potential marriage - the children.