Stephanie Faulkner enters Perry Mason's office having inherited forty percent of a Las Vegas Casino from her murdered father, seeking help from those who are trying to buy up all the stock. She wants to combine stock owner ship with Homer Garvin, Sr who owns another 15%. Garvin has discovered that the man who wants to get the stock is the one who killed Stephanie's father. The story progresses to the man's murder and Stephanie's arrest, with Garvin trying to compromise the evidence to protect Stephanie and getting Mason caught in the middle as he tries to sort the facts and put his case together. But he does and the surprise comes at the end.