The dead body of grumpy Bill McCarthy is found, brained with a rock, and his son James, with whom he did not get on, is arrested. James' girl-friend approaches Holmes, who discovers that Bill's dying words were nothing to do with "a rat" but concerned with the days of the Australian Gold Rush, decades earlier.
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Did You Know?
Although Lestrade appears in the original story, he is replaced by another policeman in this adaptation and the later Jeremy Brett
remake. See more
After all, the art of detection is simply seeing beyond appearances to the hidden truth.