After the Battle of the Department of Mysteries, Severus Snape is struck by an ancient curse that turns him sixteen again, erasing the life he once knew. Back at Hogwarts as a student, he is forced to rebuild his identity in a world that has moved on without him. As new friendships form and old enemies become something else entirely, Severus begins to discover what it means to truly live. And with Hermione Granger by his side, his second chance becomes something neither of them expected.