The Doctor's mission to return Belinda to Earth brings them to a space station's song competition. What starts as entertainment turns into a fight for survival.
The Doctor and Belinda arrive at the Harmony space station, which is hosting an Interstellar Song Contest. But the Contest soon turns lethal when a terrorist takes control of it, launched the ten-thousand audience members into space, and prepares to kill the trillions of viewers.—Gislef