When his one-night stand turns out to be a dangerous psycho, a family man must fight in order to save the ones he loves..

Normally there’s nothing but teasers from IMDb, but this Fatal Attraction logline is not bad: A married man's one-night stand comes back to haunt him when that lover begins to stalk him and his family.

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I was just going to ask if this was an example logline, thanks for the clarification.