Liu Heng, the ferry lantern keeper, took over the Night River Lighthouse left by his mother and found that when he lit the soul lamp, he could use the last memory of the deceased to practice, but each deceased could only be illuminated once. Her younger brother was mistakenly accused of being a water thief and executed, and she wanted to find out the truth before the light ran out; and the memory of the deceased always forced her to choose who to believe.
