Jiang Shan and Zhou Ying had a happy relationship, but when they reached the age of 18 and got married, they had troubles. The Zhou family, an aristocratic family, looked down upon the Jiang family who had been doing business for generations. Jiang Shan went to propose marriage several times but was humiliated. Once when the two had a tryst in the back mountain, Jiang Shan saw a huge snake egg in the grass. Jiang Shan heard a voice that seemed to tell him that as long as he took the snake egg home, he could get married to Zhou Ying. Jiang Shan ignored Zhou Ying's dissuasion and brought the snake eggs home by accident. Since then, there have been frequent sightings of snakes in the house, strange things have happened frequently, and sometimes beautiful and strange beauties have appeared in the house, and the number of chickens in the backyard has decreased by one or two every day. Fortunately for Jiang Shan, one day Zhou Ying was brought into Jiang's house in a sedan chair, and Jiang Shan welcomed his beloved wife. However, the strange things did not stop. Zhou Ying would go out of the room every midnight, and then return to the room smelling of blood. Some neighbors whispered to each other that they saw Zhou Ying climbing over the wall to steal chickens in the middle of the night. Later, gradually, some children disappeared and they found that their blood had been sucked dry. Everyone said that Zhou Ying was transformed into a snake demon to cause harm to the world. Just when everyone was about to go to Jiang Mansion to arrest Zhou Ying, Zhou Ying appeared. The reason is that the person who married Jiang Shan was not Zhou Ying, but the snake demon hatched from the snake egg... 100