Well-known documentary photographer Lin Wan received a roll of 35mm film anonymously sent to her on the eve of her personal photo exhibition. After developing the film, it was discovered that it was a negative that was lost during a mountain collecting trip 12 years ago - but a strange "fourth person" appeared in one of the photos: a vague figure that should not exist, standing behind the teammate who died in the accident that year, with his fingers resting on the other person's shoulder as if nothing.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
