Astrological sign operate on cycles of years, lunar months, and two-hour periods of the day (also known as "shichen"). A particular feature of the Chinese zodiac is its operation in a 60-year cycle in combination with the Five Phases of Chinese astrology (Wood, Fire, Metal, Water and Earth). Nevertheless, some researches say that there is an obvious relationship between the Chinese 12-year cycle and zodiac constellations: each year of the cycle corresponds to a certain disposal of Jupiter. For example, in the year of Snake Jupiter is in the Sign of Gemini, in the year of Horse Jupiter is in the Sign
The Zodiac Killer (film) father in a hospital, where he is kept in a caged room on the top floor. It is implied that the Zodiac's father is mentally ill and has to be restrained 24/7 and refuses any verbal communication with his son. The Zodiac Killer begs for his father to talk to him only to be rebuked. The staff of the facility ask the Zodiac Killer to leave, claiming his presence "upsets" his father. On his way out, the Zodiac Killer takes out his anger on two patients, wounding one and killing another. The film ends with a voice over monologue as