Timmy Turner here! I have to say, after beating the Darkness, I thought it would be mostly over. That there would be no more danger. I was recruited by my sister to be apart of an inter-dimensional team that takes down the treats no one else can. So when someone targets me and my co-worker, Luigi Manfredi, it will take the two of us to find out the truth of who is after my sister. The fifth story in the Heart series, a crossover between FOP and Mario. Takes place after Timmy adopts Sparky.