The Biggest heist in Wizarding History!

On November 1, 1981, Harry Potter miraculously disappears from Privet drive, never to be found. Sixteen years later, a thief murders the Flamels and steals the Sorcerer's stone, wishing to sell it to the highest bidder! What's exactly going on? Who is the thief, and how is hit-wizard intern Daphne Greengrass entangled in the mystery? AU. Powerful! Harry. Harry/Daphne.