This is a movie within a TV movie within a made-for-video movie. A boy is watching TV when a power outage forces him to talk to his grandpa for entertainment. His grandpa, a former screenwriter, re-tells an old screenplay about Merlin's Shop of Mystical Wonders. In it, Merlin sets up an enchanting store in a modern-day strip mall, accompanied by his gleeful wife and gnomes, sna...