It's All My Fault

Lily, the fiery auburn headed Hogwarts student, has disappeared from her muggle home. The only leads? The Dark Mark that Marlene McKinnon had the misfortune of finding, and possibly, the hated sister. Marlene, James Potter, Sirius Black, Remus Lupin, and Peter Pettigrew have banded together to save a friend, (although they must find her first). A friend named Lily Evans.