To prepare for her audition to cast in the upcoming historical drama, “Muyoung Tower,” would-be actress Haeri visits the Buyeo National Museum, where she finds the “gilt bronze incense burner,” an old Baekje artifact. Thanks to her, Onsaemiro, the son of a god who had been lying dormant in the incense burner, awakens, and the cycle of fate starts to move once again…