A sane woman fakes the symptoms of a mentally unstable patient to be admitted into a mental institution for a secret psychiatric experiment. A sane woman fakes the symptoms of a mentally unstable patient to be admitted into a mental institution for a secret psychiatric experiment. A sane woman fakes the symptoms of a mentally unstable patient to be admitted into a mental institution for a secret psychiatric experiment. A sane woman fakes the symptoms of a mentally unstable patient to be admitted into a mental institution for a secret psychiatric experiment.