Justin and Jodie have finally made it to Blackpool’s national championships – via the motorway hard shoulder. Luka’s come all the way from Russia. Nancy’s been training for this since she was three. Lee and Samantha arrive on a wave of success. But what if your dance-floor dreams are turning into a nightmare? How do you stop dancing to other people’s tunes? What can you do if your partner’s secret could cost you the crown? And, even when the whole world’s at your feet, it only takes one false step…