A comedy about a mother at a milestone in her life. We follow her and her family through a year of new beginnings as she rebuilds her life following the death of her husband. Mum is joined by her supportive life-long friend Michael. Through a year of new beginnings she rebuilds her life surrounded by her family: son Jason and his girlfriend Kelly; her brother Derek and his new partner, Pauline; and her in-laws.

• Lesley Manville
• Peter Mullan
• Sam Swainsbury
• Lisa McGrillis
• Dorothy Atkinson
• Karl Johnson
• Ross Boatman
• Marlene Sidaway