The End of One Direction [On Hold]

Nobody will ever be able to predict someone's death. The boys don't even know that the day the die is right in front of them. But fortunately one of them is safe, but feel depressed. The concert must go on, and he doesn't have a choice but perform all alone. But why are suddenly their voices heard while the concert is going? Will the fans believe that actually they're still here, but unseen? One question, how can they be alive again?