Plot: It's full speed ahead for Rosie with a vintage car cake for an 80th birthday party, that must replicate the recipient's beloved Bentley Speed Six, as well as reference Le Mans 24 Hour Car Race, as a nod to the car's winning streak in the 1920s. Suzanne keeps it in the family as she attempts to defy gravity with a cake in the shape of a tube of paint, to celebrate her cousin's new exhibition opening