Rick and Amanda are hired by a dead client who knew his murderers were after his formula for a new perfume. Maurice Gerard, a perfume manufacturer who has discovered a new scent, is killed. Rick and Amanda are hired to catch the culprit. Their investigations reveal that some companies are hoping to get the contract to market the perfume.

Ted Lomax and his wife go for a boat ride one morning and soon after she turns up dead. Ted hires Amanda and Rick suspecting her secret lover as the killer, but they have their own theory.