Is it all over for London? It would seem so when Hal Strider and his sister Jess witness the skies of London turn silent. Not a business jet, helicopter or passenger plane in sight. It is eerie but no-one knows what has prompted it and why. Whilst Jess swipes through the news channels on her phone for any updates Ha begins to realise that even the streets (a long way below their penthouse rooftop apartment) have gone eerily silent too. When their dad calls through on broa