AllMovie

A bored Beijing party girl gets drawn into the dangerous criminal underworld of Osaka during a trip to Japan in this soul-searching psychological drama. Exhausted and depleted by the endless Saturday night her life has become, privileged Coco plans a Christmas trip to Osaka, and books a room at a hotel recommended by a close friend. Upon arriving at her destination, however, Coco quickly discovers that her hotel is in the shady district of Shinsekai. Before long Coco has cancelled her reservation and booked a room at a posh resort hotel, but when her friend incurs the wrath of the Chinese mafia, the entitled girl is forced to venture out of her safety zone.