Used Coffin(1979)

Widely known in the village how miser Berta is. Gossip says, even when her husband passed away a year ago she tried to buy a second-hand coffin to get him buried in. She's in good physical condition compare to her age, but one day she just can't get out of her bed. The village council hire a mom of 3 in order to help her in and around the house, and she paid by the council as Berta act like she has no money. Once, when the young mom doing her bed she finds her secret savings there, and turns out she is a wealthy woman. Now the council, as she can not be on social, decides to use her savings to pay her help, of course without letting her know that.