Yoon Junseo Aka Black Mask has finally returned to Korea after spending living in New York for 8 years. He has the right to spend time with family while being a vigilante and balancing his normal life. However, things changed when the villain who called himself, The Wolf, who was threateningly the Mayor of Seoul. It's up to Junseo and his team of Earth's Mighty Heroes, The Avengers, to stop him once for all.