Captain Jack is finally dying, and it's time for his oldest friend to visit his deathbed. King John has come to tell him a story. The story of the life he should have had.
A signal in a Welsh mountain is calling an ancient battle fleet to Earth. Owen Harper and Ianto Jones head up into the Brecons to stop it. The problem is - Ianto really loves camping.
Gwen Cooper and Rhys Williams are on the run from a cataclysm. They're the only survivors, and they're driving away from the disaster. They've got to warn the authorities, and they just can't be late for the babysitter again.
Imagine. All those people. The ones who make each day a little bit harder. Imagine if you could silence them. Just by looking at them. If you could do that. To all the people who annoy you. Would you do it?