alternative reality

New day new you you've just bought a new house that has a weird design to it wonder why? as you were getting used and comfortable with your new home you started to hear weird noises from the floor boards but it was no big deal. but 3 days later the grand piano from one of the rooms upstairs has mysteriously been pushed off the second floor balcony unexpectedly and crashed into the floor spot where you heard the noises from but after the pianos fall. the floor begin to collapse downward when it was collapsing your piano and some of your valueables went down into the hole underneath the house where you suddenly discover something unexpected... A PORTAL!!!