Exposition: The wife explains how good of a husband and father he was but he has something strange about him.
"Where have you been."
Rising Action: The husband is acting strange and smells strange and has been going out at night.
Climax: The husband went snuck outside while everybody was sleeping and was standing outside when a change started to happen. The wife saw his body was changing into something else. He had changed into a human. The family started to chase the man and they killed him.
"HIs feet started to change."
Falling Action: The man was killed by the wife's sister and he just laid there dead.
"He was already dead."
Resolution: The man dies and the wife and family are confused and sad.
My reaction of the story was confused and surprised.