In this episode, police officer Jacqui commits a crime against music, 'speak singer' Matt looks to tune up his limited vocal talent, Salena would love nothing more than to change her tune so that she can prove to her kids that anything is possible, Deborah struggles to hit the high notes in her first performance, and 18-year-old A-level student Ilyas wants to surprise his family by transforming his terrible voice. Can any of them change their tune?