Five Psychological Thrillers in Six Words

Time for another entry in my “Five” series — and this one is just for fun. Can you identify these famous psychological thrillers from their six-word plot descriptions?

1. Wife disappears. Husband becomes prime suspect.
2. Woman spies obsessively from passing train.
3. New wife haunted by husband’s past.
4. Man trapped inside deadly fan’s home.
5. Psychiatrist investigates patient. Nothing adds up.

How many can you guess without Googling? Give me your answers in the comments!