Episode Description: Beware, spoilers! To read - hover over the text.
Beth and Mike, a young couple slept peacefully in his bed, when he heard a noise. The robbers. They attack Mike. Abruptly the lights went out, Mike is injured, and the robbers brutally murdered. Torchwood picks up Beth. They think she's an alien. The girl denies it. Through complex scanning Beth has manifested hidden feature of the alien. It turned out to be one of many, came the invasion. Beth living on Earth and falling in love with Mike, has become more human than alien, and therefore helps the Torchwood team.