Torn between faith and science, and suffering hallucinations, English naturalist Charles Darwin struggles to complete 'On the Origin of Species' and maintain his relationship with his wife.Torn between faith and science, and suffering hallucinations, English naturalist Charles Darwin struggles to complete 'On the Origin of Species' and maintain his relationship with his wife.Torn between faith and science, and suffering hallucinations, English naturalist Charles Darwin struggles to complete 'On the Origin of Species' and maintain his relationship with his wife.