Each witch and wizard must take a compatibility potion when they come of age. Hermione doesn't recognize her result, but finds out he is the son of one of the most hated professors of Hogwarts. Will it end in disaster or will it be a surprising match?

Every witch and wizard must take a potion that reveals to them the name of their soulmate when they come of age. Dallas, a transgender Slytherin, finds out who his soulmate is. But what happens when his soulmate is already engaged to someone else?