In Trollhunters : Tales of Arcadia magical creatures inhibited a secret world and may threaten the small suburban town of Arcadia Oaks in which he lives .
It follows the adventures of James Lake Jr. , a teenage boy who stumbles across an enchanted amulet that imbues him with the power to protect our world from a secret world inhabited by magical creatures that threaten it .
Trollhunters-COLON- Tales of Arcadia