The Marauders come back to Hogwarts for their sixth year, but nothing will be easy. Outside, Voldemort rises from the darkness, his Death Eaters doing always more victims. Inside, the four boys will have to fight against the whole gang of wannabe Death Eaters, to protect themselves and the girls they love. A Jily, Sirius Black/OC ,Remus Lupin/OC fic.