A young woman who needs a kidney transplant wants to marry someone who will be able to donate a kidney, and meets a young man who has a brain disease.

In a world where humanity has lost the ability to dream in exchange for eternal life, one creature remains entranced by the fading illusions of the dreamworld. This monster, adrift in reverie, clings to visions no one else can see - until a woman appears. As she allows him to dream one final time, his life of different identities is replayed as they journey through his century of existence.

Journalist Ye Pan is looking for the truth behind a puzzling double fall. During her investigation, she reports nurse Li Yue and mother You Xi as suspects, which triggers public outcry and the situation gradually gets out of control.