Chemistry

The Webb family seem genetically disposed towards medicine. Don, the eldest brother, runs a small town pharmacy. Penny, the abused wife, neglectful mother and firebrand sister, is a doctor. And Jamie, the youngest son, has been self-medicating with heroin for longer than seems physically possible. When Jamie decides to move back to his native small town in New Zealand after a twenty year absence, he sets off a reaction in his dysfunctional family which has disastrous consequences.