Hu Ke, a young nurse in the emergency department who yearns for love, accidentally ends up living in the same apartment with a mysterious and handsome man named Charlotte, who suffers from Alice in Wonderland syndrome and calls himself a consultant detective. He is invincible in reasoning and deduction. Later, Hu Ke became confused and was involved in a series of inexplicable and bizarre cases... Alice, ah, Charlotte, are you a big-headed ghost in Wonderland?