It could also be a fictional or made - up story that is based on unfounded stereotypes. There are many stories that play on people's biases and fears. Without proper evidence or context, we should not believe such stories blindly.
It could also be that they are on a tour. For example, in a city tour where the driver is more knowledgeable about the area and she can relax in the backseat while enjoying the view and listening to the driver's commentary about the different places they pass by.
One scenario could be a surprise. The husband secretly prepares the hot tub, with rose petals and champagne. When the wife comes home, he leads her to the hot tub area and they have a romantic evening. Another could be a family - friendly one, where the wife and husband take their kids in the hot tub during a vacation, and they all have a great time splashing around and playing games in the water.
One scenario could be that the wife is taken to the hot tub as a romantic gesture. Maybe the husband has set up a dinner by the hot tub, and then leads her into it for a relaxing soak together.
In a different scenario, the wife might have been taken aback in the kitchen by an unexpected visitor. She was busy preparing dinner when the doorbell rang. She opened the door to find an old friend she hadn't seen in years. They then went into the kitchen, and the wife was taken by a flood of memories as they shared stories over a cup of tea.
One possible scenario could be in a role - playing game within a consensual relationship. For example, in a BDSM - inspired role - play, the ballgag might be used as part of a power exchange dynamic where the wife is taking on a submissive role for a short period of time. It could be a way to heighten the sense of mystery and restriction in a very private and controlled environment.
It could be something like discovering her husband's infidelity or facing financial ruin. Maybe a serious illness or a threat to her children's safety.
One possible motive could be robbery. Maybe he thought the wife had valuable things and took her to force her to give up her valuables.
The wife could be part of a wedding party. If it's a more modern and stylish wedding, a short black dress as a bridesmaid's or guest's attire would be quite appropriate. She would be able to dance freely at the reception and still look very elegant.
Maybe the wife wants her husband to gain some knowledge or experience from the conference. For example, if it's a business conference, she might think it could help his career development.
I'm not entirely sure which specific 'wife taken by black story' you are referring to. There could be many fictional or real - life inspired stories with such a title. It could potentially be about a situation where a wife has some sort of encounter or relationship with a person who is black, but without more context, it's hard to say exactly.