Fashion-mad Molly from Portsmouth is very embarrassed about her family car. Nicknamed 'Old Banger', it's approaching it twentieth birthday and is covered in scratches. Molly's dad has agreed to let her loose on the car, and she thinks with the help ofAli-Aand his team that she can make it stylish enough for any catwalk.Ali-Ahooks up Molly with Sideways Sid, a motoring guru with an eye for design. Sid takes Molly to a university catwalk show to try and find an on-trend look for the car. She has the honour of opening the show and meets a designer whose work has appeared in Vogue. She then pays a visit to mechanic Rebecca, who gets to work with Molly fixing Old Banger in the Superchargers workshop. The pair give the gear box a good seeing to, Molly's hands have never been this dirty! Sideways Sid returns to help give the car the extra sparkle it's been in desperate need of. But when it comes to the big reveal, will mum and dad be as into Molly's fashionable design as she is?