Documentary about Grace, Rupert and Connor, who all have Tourette's Syndrome. What's it like to sniff, cough, jerk, roll your eyes and swear - and not be able to stop yourself? How do your friends react? And your family? And can you get any help for it? What Makes Me Tic follows Grace has she puts on a show and tries not to let the tics get the better of her, Rupert as he undergoes a new therapy and Connor as he tries to leave the house despite his noisy swearing tics.