Edmund is tired of carrying around his grumbles, but is there a way to get rid of them?

In Grumpland, everyone walks around hunched over, carrying heavy, gray bags full of complaints. Young Edmund has never known any other way of life, until the day he notices a road that leads to a mysterious place called Hopetown.

What could be there? Will he be able to cross the road with his heavy bag? Follow Edmund on this adventure full of surprises, new friends and discoveries that could change everything!