On Saturday 15th December 2007, a British Airways 747-400 took off from John F Kennedy Airport in New York bound for London. The journey was scheduled to take nine hours. It arrived on the morning of Sunday 17th December, but the year was 2017. On board were 120 passengers and 12 crew. Nobody had aged. All of their passports had expired. As the aircraft approached Heathrow, nobody on board was aware that they had been declared missing presumed dead...