Harry Potter and The Shard of Light

After the triwizards tournament Harriet learns to look at the world differently. So when she gets back for her 5th year she is not the same anymore but she isn't the only thing that's different. At the beginning of the year Harriet accidentally finds out the potion's master's little secret and on top of that the fraud of the century lockhart is back to Hogwarts. fem!Hp/SS