Codeine works by being metabolised to morphine in the body, but the extent
of that metabolism depends on a person's genetic
make - up, so the amount
of morphine produced varies.
SUBSTANCE USE - A man drinks window cleaner and passes out in a park, a woman smokes marijuana at home as well as in a car while riding and while driving and in a restaurant where other men and women are also smoking marijuana, a woman offers marijuana to a friend who declines, several house party scenes show people injecting themselves with drugs, we see prescription bottles and rubber tubing stretched around a person's arm (injections occur off screen), a man drinks from a bottle
of codeine cough syrup, goes to the drug store, purchases another bottle and drinks part
of it while walking home and later a female neighbor drinks the rest
of it in his home, and a man places a marijuana cigarette in his mouth to hide it from a policeman and says it
made him feel sick like a bomb was strapped to his chest.