Thinking he's at home alone, the guy enjoys a drink. Suddenly, a strange noise comes from one of the rooms. He peeps through the door, not opening it fully, and is shocked by the sight of his mother-in-law, naked, sweaty, toying her hungry snatch with a dildo. Of course he started beating off! Then, it all went wrong. She saw him, and wife called from work! The in-law spoke to her and took advantage of the hard guy. Too bad for them, the wife felt something was wrong, rushed home, and then – oops!