 Meanwhile, Owen has discovered that the same trauma that inflicted the skeleton has been reported several times in the last few centuries, while Jack becomes aware of Tosh's strange behaviour.When Tosh returns to Mary, she reveals herself as an alien, an exiled dissident, and that the artefact is a transporter that can help her to leave the planet.Tosh offers Torchwood's services to Mary, but she refuses, and instead asks Tosh to take her to Torchwood so she can retrieve the artefact herself.