Gwanno Mask Theater, folklore scholar Dong-gwon Dong-gwon, who has disappeared since 1909, goes to and from Gangneung to restore the broken Kwan-no Mask Theater, but it is difficult to find the trace as it was performed by the slaves of government offices during the Joseon Dynasty. One day, Dong-gwon finds out that Deuk-chul, a member of a prestigious family from Gangneung, is related to the Gwanno Mask Theater and goes to the house of Deuk-chul...