I am thinking of running a Grimm campaign along the lines of the old D and D cartoon, kids trapped in a strange land trying to get back home while fighting dark forces along the way. The primary goal may be in reminding Jack who he is. Unfortunetly I am at a loss of how to start such a campaign. I want to do the first story starts as how the kids got to the Grimm lands but I can not think of a way to start this. I would appreceate any advice in this regard.