<p>It''s Dublin in 1994, and the Doctor and Donna have arraived at the tiny nightclub known as Headlong.<br><br>Headlong is famous for precisely one thing - holding the karaoke night where four young women came together to make the biggest girl band of the 90s: <b>the Honeybloods.</b><br><br>Donna has convinced the Doctor to visit their first ever concert (she reckons she could have been a Honeyblood if the timelines were different) - and he has begrudgingly agreed.<br><br>Naturally the band is kidnapped by a deadly pack of siren-like creatures who feed off human adulation, usually harvested by taking the form of cultural icons.<br><br>With Dublin and the world to save, Donna may get her chance to perform on the world''s biggest stage . . .</p>