 Susan Hart (Pamela Blake), assistant to private detective Russ Ashton (Tom Neal), is given a camera concealed in a hat box and assigned to take a picture of a woman. A gun is accidently hidden in the box and the woman is killed. Susan is charged with murder, but Russ and his less-than-useful associate, Harvard (Allen Jenkins), get on the case and prove that the fatal shot was fired by the killer from across the street.