A mentally unbalanced 16-year-old, Darren, becomes convinced that he is being deprived of his rightful inheritance from the family business. He wants the money immediately to finance his delusional dreams. By force of his personality, he gathers to him several very insecure teenagers and enlists them in his plan to kill his mother and grandmother. Two of the boys carry out the murders and a young woman provides Darren with his alibi. Darren inherits the money but his odd behaviour leads police to investigate further and the plan unravels, revealing madness and murder.