Professor Peter Boyd's engagement to the Dean's daughter is upset by the revelation that his father was a habitual convict. To prove the Dean's genetic theory of inherited traits as wrong, Boyd starts a 'secret' experiment. He borrows the science department's chimpanzee with the goal of showing that it is one's environment that affects your reaction to right and wrong.—Richard Stephens
A college professor attempts to salvage his personal and professional reputation by using a laboratory chimpanzee to prove that environment trumps heredity in behavioral development.