Chess Opening Theory/1. e4/1...e5/2. Nf3/2...d6/3. d4/3...Nd7/4. Bc4/4...Ngf6/5. dxe5/5...Nxe5/6. Nxe5/6...dxe5/7. Bxf7/7...Kxf7/8. Qxd8

8.Qxd8
This is obviously the only move to regain the sacrificed material with interest. Now Black has to unleash a discovered attack on the queen with 8...Bb4+ if he doesn't wish to be a queen down.