Thomas's much younger mistress. He invites her to his home for a pool visit while his family is away. She is found floating lifeless in the pool after being struck by Alex, who discovered the affair. Her death and subsequent concealment drive the entire plot.
Extramarital affair that serves as the catalyst for the film's central conflict.
Son murders his father's mistress upon discovering the affair.
Married couple where the husband unknowingly attends the party of his wife's lover.
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