Emma and Riley are best friends who call themselves the Explorer Duo. Their adventure begins when Emma discovers a mysterious brass key marked with the number 17 and finds a strange door that leads to another world.

Behind the door is a fascinating world filled with futuristic technology, flying cars, robots, dinosaurs, games, treasure hunts, and magical surprises. Along the way, Emma and Riley take on exciting missions, help others, explore Chocolate Island, search for treasure, and solve mysteries.

Their adventures teach them about friendship, courage, teamwork, kindness, and helping others. Join Emma and Riley as they discover that there is always something new and exciting waiting beyond Door No. 17!