In ancient villages, there is a folk horror story about "love lock". Once upon a time, there was a woman named Xiaomei. She was beautiful but became frail due to an illness. In order to treat her illness, Xiaomei's father sought medical advice everywhere, but to no avail. One day, a mysterious old Chinese doctor came to the village and claimed that he could cure Xiaomei's disease. But the condition is that Xiaomei must use a handful of her long hair in exchange. Xiaomei's father agreed to the conditions of the old Chinese doctor for his daughter's illness. Xiaomei cut off her long hair, and the old Chinese doctor made it into a lock, claiming that the lock could lock out all evil and Xiaomei's illness. Sure enough, Xiaomei's illness gradually improved. However, as time passed, Xiaomei discovered that this lock seemed to have unusual power. Whenever it was quiet at night, she could hear the lock moving quietly and making a "click-click" sound. At first, she didn't notice it, until one day, she found that the lock opened by itself. Xiaomei was horrified. She tried to lock the lock again, but found that she couldn't lock it anyway. She began to doubt the origin of the lock and asked her father. Her father told her that the lock was made by an old Chinese medicine doctor, who had already left the village. Xiaomei decided to find an old Chinese medicine doctor and uncover the secret of the lock. She visited nearby villages but could not find any trace of the old Chinese medicine doctor. When she was desperate, an old woman told her that the old Chinese medicine doctor was actually a monster. He used this lock to lock a cursed soul, and Xiaomei's hair was the key to unlocking it. The old woman told Xiaomei that she must find
