A pretty waitress is accused of stealing $100 from her wealthy aunt's hatbox, and a blind pencil-seller earns enough to come to work in a taxicab.

Katherine Ellis, entered Perry Mason's office, smiled at Della Street and asked: "What did you want to see me about, Mr. Mason?"
"Sit down, Katherine,"" Perry said. "Have you heard anything from your aunt today?"
Katherine shook her head.
"Have you heard anything about her?"
"About her? Why? Is there something I should know?"
"Your aunt was assaulted sometime last night -- apparently by an intruder who struck her on the head with a big five-cell flashlight and ..."
"Why that's my flashlight," Katherine exclaimed.
The door to the outer office opened and Police Lt. Tragg came walking in. "How do you do, Della," he said. "Hello, Perry. You'll pardon me for coming in unannounced, but I take it this is Katherine Ellis. I'm sorry to state that I have a warrant for her arrest for assault with intent to commit murder -- and the charge may be changed to murder!"