Adam is a typically mischievous seven-year-old boy. He lives in a big house with his mother and older sister, Anita. He often misses his dad, who has little time for him because of the pressure of business. He is frequently in conflict with his sister, bickering with her about the most trivial things. Adam's fascination with computer games has made him determined and resourceful.

When he is thrown into the dungeon in the medieval kingdom, Adam doesn't lose his courage, he simply figures out a way to cut a tunnel through the rock. When the children face danger, he always bravely accompanies his big sister.