What would you do if your best friend's corpse showed up outside your door in the middle of the night, swinging on a swing inside your house? Would you panic and run away, or join her? Yueyue was an ordinary chainsaw queen, but after her best friend's sudden death, she was inexplicably drawn into a massive conspiracy dating back thousands of years. Along the way, she shares ridiculous everyday antics with her bestie, only to discover in the end that her friend's death was no accident—and that she herself was the cause.