A Neighbor's Vice: A Gracie Brassard Spicy Detective Story

It's just another day at the office of Brassard & Beckenbridge.
An older man comes in through the door, looking for a Private Detective to solve a distressing mystery. His dilemma? There are worrying noises coming from his neighbor's house, noises he can't explain. Although he's hesitant to hire Gracie, he has little choice since his daughter is coming to stay for a week with her family in just a few days.
Could they be sex noises? Well, not any sex he's heard before!
Lucky for him, spying on ...