Xu Nian has been wearing a red rope made by her grandmother since she was a child. Her grandmother said that "the girls in the Xu family can avoid disasters by wearing red ropes." Until her grandma passed away, she discovered that the red rope began to fade, and light red patterns slowly appeared on her wrists, which were exactly the same as the patterns on the portraits of the Xu family ancestors in the ancestral hall of her hometown.
When returning to his hometown to sort out the relics, Xu Nian found the family tree in the corner of the ancestral hall. The last page said "The red rope is broken, and the disaster star appears." The old man in the village told her: "The ancestors of the Xu family once offended the 'rope spirit'. Every generation of girls must be restrained with red ropes. If the red rope fades, they will be entangled by the rope spirit." That night, Xu Nian's red rope suddenly broke, and the sound of silk threads was heard outside the window. In the mirror, she saw a red rope being wrapped from her wrist to her neck, and the figure in the mirror was actually wearing the clothes in the portrait of her ancestors.