Fate and Coincidence

The plot relies on coincidences and seemingly fated events, such as the ring's appearance and the stranger's prophetic speech about crime, suggesting that chance and destiny play a role in human affairs.

The stranger's hypothetical scenario is eerily realized moments later, prompting Ferris to declare 'I don't believe in coincidences.'

The widow's dying curse and the coincidental arrival of Miss Dare, who claims the ring, suggest a fateful intertwining of events.

Byrd's dreamlike memory and the arrival of the letter from the superintendent create a sense of fate guiding the investigation.

The discovery of the escape route through the woods and the horsecar line seems to be a fortunate coincidence that may lead to the truth.