"Yup.. aliens." Jack crouched down next to Robert and smiled as his friend spoke. Actually, he just kept saying aliens as he tried to process it, but Jack figured Robert would be fine.
"But yeah... the Rift is part of what was responsible for you ending up in Cardiff. Think of it like a breach... except it's in space and time. You can't plug it, seal it, nothing. So we monitor it and deal with what happens the best that we can."