Can't stand it anymore

Everything was the way it should be. Gajeel and Levy were happy, even after the difficult start they had. Juvia and Grey got together, even after all the times the ice mage neglected his feelings. But what would happen if Grey and Levy discovered a hidden truth during a mission? Will Gajeel and Juvia be able to handle all the lies? And what will do Fairy Tail when a new enemy is waiting for them at the gates of Mangolia?