In which James Potter returns to Hogwarts as a substitute professor, with a very special someone as a student.
Or:
Lily Evans's worst nightmare comes true as her ex-boyfriend reappears after almost two years of their break-up.
Lily Evans is entering her final year at Hogwarts. As the outside world is attacked by Death Eaters, Lily's world changes left and right. Many things happen unexpectedly, like her sudden friendship with James Potter. Lily must stay strong to get through the year and make sure she stays focused, but Potter may make that a problem. At least she only thinks of him as a friend...right?