One night, Teddy Lupin asks his godfather - the one and only Harry Potter - to teach him how to make a Patronus. But will Teddy be able to make one?

The untold story of the Order of the Phoenix at the time Voldemort had returned. To Remus Lupin, Nymphadora Tonks is the only light he has ever known. He loves her, but he is scared the the darkness inside him will only bring her pain. Waging an inside war between his heart and his head, Lupin has to decide which path to take. Both could potentially have disastrous effects, but is he willing to risk it for a last chance at happiness?