When a stranger, Thaddeus, is found badly wounded near the village, miner Li Kung and his wife Ah Ni offer him refuge. As he heals, he becomes entrenched in a conflict that pits the townsfolk against the evil Master Ho, his nefarious Beetle Clan and the terrifying Lord Pi.
A man who stops into a foster home to drop off some donations soon tells the kids a story about two teenage friends who uncover a long-lost medallion that transports them back in time.