Unit 22 discusses the format, genre, narrative structure, and story arc of the single camera drama "And Then There Were None." It analyzes a scene from the first episode that takes place during a tense dinner. Specifically, it notes the low-key lighting, medium shots, diegetic sound with ominous undertones, and shot reverse shot editing that build atmosphere and foreshadow conflict. It also compares techniques like lighting, sound, and editing between this drama and the film "Cyberbully" that similarly create tension.