Between Heaven and Hell there's Earth

Even when you think you can decided of who you are, what you will do of your life, who you will fall in love with. But the truth is that you are the a small piece of a whole game, and you can't decided anything by your own, unless you met the right person. There's Heaven, Hell, and in between of both side, there's earth, the last part everybody want. Both side have plan their game perfectly, sure to win this perfect place, but what if everything goes wrong ?