By sixth year, the Slytherin friend group has become Hogwarts’ most infamous clique, all of them are practically inseparable, despite the constant gossip and complicated feelings simmering beneath the surface. Everything begins to unravel when anonymous enchanted letters start appearing throughout Hogwarts. Each letter contains secrets that no one should know—private confessions, hidden crushes, betrayals, and lies that threaten to destroy reputations. Realizing that whoever is behind them has access to information impossible to obtain by ordinary means, Y/N and the fractured Slytherins are forced into an uneasy alliance to uncover the truth.