Irene could not imagine in any way that she was the key that triggered the darkness even though she was so bright. Christopher told her that she was a protector. She was participating in an endless battle with no winners or losers, trying to drive the darkness away. An unbearable battle that had been going on for millennia. But this time, the threat of darkness is greater than ever and the light is in danger of going out forever! The sand in the hourglass has already started to run. Will the light be able to prevent the darkness from being reborn from its ashes?