A YOUNG CHEMIST DISCOVERS A DANGEROUS DRUG THAT MAKES ONE INVISIBLE. HE COMMITS A MURDER AFTER CONSUMING THE DRUG. MORTIFIED, HE LOOKS FOR AN ANTIDOTE THAT WOULD TURN HIM BACK TO HIS NORMAL STATE. STARRING CLAUDE RAINS, GLORIA STUART, H.G. WELLS, UNA O'CONNOR, HENRY TRAVERS.