Young attractive Margaret Marston is addicted to both gambling and drugs. Her wealthy businessman father tells her that he will only continue to support her if she reforms. He hires detective Chris Farr to chaperone her and to report to him on her behavior. Jonas Partridge, the owner of an art gallery, has leant money to Margaret which indebtedness has enabled him to persuade her to agree to marry him. A young man, Timmy, in possession of photographs which incriminate police chief Frank Conroy in the shooting of a defenceless man, has Chris deliver the pictures to Jason knowing that Jason's possession of them will enable Jason to deter the chief from using false evidence that the chief has created in order to intimidate Jason. Finding they have a liking for one another Chris and Margaret come ever closer together as he unravels the mystery of Timmy's disappearance (he had been murdered) and who murdered him and why. This is the basic film script written in straight dramatic form.