Conan and the Detective Boys run into Ayumi's neighbor, Yasuyo Akimoto, who is searching for a kind bearded policemen who she ran into multiple times last week. At the police station, they reveal they do not have an officer like that and it was against police regulation to have facial hair. The police assume that officer was linked to a serial burglary, however Akimoto and an elderly couple disagree claiming the officer was too kind and gentle to be the burglar. As the Detective Boys investigate, they discover the disguised officer is the socially inept owner of a ramen restaurant, Tetsuji Odawara. Conan concludes that Odawara overheard Akimoto was working late last week and worried for her safety, disguises himself as an officer to protect her. The Detective Boys head to the restaurant to find it closed causing Conan to realize Odawara is searching for the serial burglary in order to prove his innocence. Odawara meanwhile realizes the drunk man he helped last week was the burglar when they meet on the streets and gives chase. Conan helps Odawara apprehend the criminal who is then taken into custody. Akimoto who witnessed the apprehension learns that Odawara was the bearded officer. The next day, Odawara silently serves Akimoto ramen at the restaurant.