For Reasons Wretched and Divine

Albus Dumbledore and Gellert Grindelwald are left in a whirlwind of emotions after Albus leaves Gellert to his plot for the greater good. Neither knows what to do with themselves afterward, but a series of unexpected events thrusts them right into each other. Can they manage to heal the wounds they gave each other, or will they leave with an even greater brokenness than before?