Daphne discovers that one of Niles' patients is in love with him and although Niles tells her this is common with psychiatric patients and refuses to discuss it further due to doctor-patient confidentiality, Daphne becomes obsessed with discovering more about the woman. She rifles Niles' briefcase and discovers the woman's file, and then goes to see her.
Meanwhile, Frasier is being driven mad by a cricket in his apartment.