Mark discovers a hidden level in his favorite game "Ace Lightning and the Carnival of Doom". After this strange discovery, lightning strikes him and causes all the action figures from the game to come to life. But not only the hero "Ace Lightning" has been brought to life, but also his Earth nemesis "Lord Fear". Mark gets caught in a fantasy world and jumps from one adventure to another.
In season 2 we discover that Ace and Lord Fear are made by a crazy computer wizard who wants world domination. Mark and Ace's job isn't getting easier because Lord Fear gets some new accomplices.