Binky Felstead, Lucy Watson and Rosie Fortescue navigate new challenges and major milestones. Binky enlists the help of Ollie Locke-Locke to throw a party for her mum. Rosie is struggling to find the balance between working hard and playing hard.

Binky faces the reality of parenting solo while her husband Max expands his business in America. In a hectic week that includes a Marks & Spencer magazine shoot and important business meetings, Binky must also manage her two youngest children.