Two live store window mannequins--one a wannabe female model the other a wannabe male lawyer--witness a murder late at night in front of their department store window. The killer sees them but thinks they are just mannequins. After reporting their story to doubtful police, they return to work. One day the killer arrives on the other side of the glass, window shopping. He still thinks the witnesses are mere mannequins, until one of them flinches.