The characters where Mr. and Ms.White and there adult son Herbert. And also there was a friend who served with the British Army India.
British had Introduces the family to a mummified monkey's paw for them to grant three wishes. hellish consequences as punishment for tampering with fate.
Morris, having had a horrific experience using the paw, throws the monkey's paw into the fire but Mr. White retrieves it.
At Herbert's suggestion, Mr. White flippantly wishes for £200, which will enable him to make the final mortgage payment for his house, even though he believes he has everything he wants.
The next day his son Herbert leaves for work at a local factory. Later that day Herbert has been killed in a terrible machinery accident. The goodwill payment to the family of the deceased. was £200, exactly matches the amount Herbert suggested his father should wish for.