The Census Taker (1984)
"Four lovers with everything to hide. One stranger with nothing to lose."
When George and Martha let Harvey, an annoying census taker, into their home, they find themselves under a barrage of increasingly abusive questions. Furious at his intrusiveness, and at their wit's end, they kill the census taker and with the help of their friends Pete and Eva, must hide the body from a determined investigator.