Following the success of the series Iaith Ar Daith where Carol Vorderman, Colin Jackson, Ruth Jones, Adrian Chiles and Scott Quinnell embarked on a road trip across Wales with their mentors to learn the Welsh language, it’s time for the 5 celebs to meet up for the first time to celebrate their success. They face one last challenge as they set out to create decorations, food, drinks and entertainment to create a memorable Christmas party to mark the end of their journey.