He is a graduate student in the History Department of Modern XX University. She was the daughter of a wealthy family during the Republic of China. Just because of a white chrysanthemum, the space changed and this man, who was not very courageous, was brought to her side. Every time midnight comes, his soul leaves his body. He can always see a white chrysanthemum leading him forward. He thought he was suffering from hallucinations. He, who was originally timid, became more manic and restless... He began to fear the coming of every night. Until one day, he saw her in that so-called illusion... Her long and light bun, with a small white chrysanthemum inserted into the black bun... She looked so miserable. But he felt so familiar... A strange combination of circumstances caused the two young people to fall into an irreversible love...