His identity hidden by the costume and the low lighting, Mike takes advantage of her mistake.
Just as he finishes, and with his trousers still around his ankles, Mike gets caught red-handed by Allie's husband and receives a very swift and time-honoured form of justice.
Later, the girls decide to get their own revenge for the treachery, and Allie's husband gets the benefit.
Warning: This story contains graphic language depicting sex scenes including oral sex, anal sex and a mff threesome. It is therefore suitable for adults only.
Please note that this story is also published as part of a collection of stories in Wives' Tales 2: Deception, which is an attractively priced book containing five of my stories.