A must-watch for fans of true crime stories, this film follows the chilling tale of a British teenager who is accused of poisoning his own family, friends, and co-workers. Graham, a remarkably intelligent but morally corrupt individual, delves deep into the world of science, particularly chemistry, and develops a disturbing fascination with poisons and murder. As his antisocial behavior and obsession with dark subjects escalate, his family life becomes increasingly strained.