Yong-nyeo, who was sacrificed for love and had lost her life, is reincarnated as a snake and takes the form of a woman. She seduces Ji-eon, the son-in-law of Aristocrat Shin, a man of power. They fall deeply in love and spend the night together. Meanwhile, Shin, who had caused Yong-nyeo's death is haunted by strange accidents. Shin is eventually killed by Yong-nyeo. Yong-nyeo, with the karma of having killed, cannot stay in this world and leaves for the other together with her love Ji-eon.

On the eighth of April of King Gyoeng-deok's 10th year of the reign of the Unified Silla Period, Guseulagi, a daughter of Yu Jong, joins the king's parade to Bulguksa Temple, where she meets a stonemason named Asadal from Buyeo. Having a crush on him, she visits Sakyamuni Pagoda, a masonic site; only to find that Asadal had broken down from exhaustion. While she takes care of him, her love for him grows. But Asadal misses his wife who is waiting for him in Buyeo. Meanwhile, Geum Seong who has a crush on Guseulagi, asks his father, Geum Ji, to propose on behalf of him. But Yu Jong is so dissatisfied with Geum Ji because he is a treacherous subject, that he turns down the proposal, instead of hurrying up his daughter's marriage with Gyeongsin, a faithful subject. Asanyeo who has been waiting for her husband Asadal in Buyeo goes to Bulguksa Temple after her father-in-law had died.