Air Episode 4: Plume
Episode 4 of 13 of Air, aired January 27, 2005, 24 minutes. Available with English subtitles and dub where released.
Episode summary
Kano strangles Yukito in her zombie-like state near the shrine hard enough to leave a mark before falling unconscious. Back at the clinic, Hijiri apologizes for Kano's behavior and explains when and how Kano's unusual symptoms started, with a single bright feather at the shrine.