The Theme of the story Taking the Plunge is Determination. The theme emerges because a young man's idea wedding is threatened. In his quest to ensure that everything goes well, he takes uncommon decisions.
What is a Theme?
A theme is a key message, idea, or principle that the writer focuses on as the center of his piece.
When a writer chooses to write a story, it is important for them to consider what the theme(s) might be. Examples of themes are:
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https://brainly.com/question/4008478