You Appear in tails' House. Sonic and Tails are talking about things until Sonic makes a decision to get the Chaos Emeralds before Eggman has a chance to make a plan using them. Gathering Everybody up Sonic tells them to split up. Now you Play as Amy. So you and Cream go to the back of the house and wonder into some stairs leading far below the surface. Cream says that she won't go down because it's too dark for her. Amy then asks her to stay for a bit while she goes and checks it out. Now you've entered the cave. Entering it A monster appears before you. Fighting this battle is pretty straight forword. Also this is no Boss fight so stay calm. After defeating the Monster you get teleported to somewhere. Amy is now wondering where she is. Now that's enough for a spoiler so there's the intro Story!