The Tide Turners

Someone from Remus' past resurfaces with a solution that might, with help from Fred and George, end the war. AU from Order of the Phoenix and OC. Dumbledore is dead, Sirius is not. No horcruxes. 'Ok, the short version. I'm a Squib, I run a home for Squib children...I have a network of about 300 people over the age of 17. We want to help take down Voldemort' (7/12 chapters written)