GetThe Cake

THERE IS YOUR FRIEND'S BIRTH DAY.
BUT HE DOESN'T HAVE  THE CAKE.
SO YOU GO TO GET IT.
YOU WILL GO THROUGH A LITTLE ADVENTURE TO GET IT. AND YOU FIND OUT THAT THERE IS A CAKE BUT YOU NEED THE KEY AND IT'S CHEST.
TO GET THE CAKE

P.S. DON'T BELIEVE EVERYTHING IS WHAT YOU THINK IT IS!