Lorelei is responsible for all of this!

"She made me strip and tied me up!"
"Is that true?"

Your Wife tries to look away while answering.
So, that's a 'Yes.'

"Tell me exactly what happened, Chanta."
"She said that she thought I was trying to seduce you. I mean, you're hot and all...but I'm not risking my job for this.
She didn't care, telling me that I'd be fired if I didn't let her tie me up naked on the bed!
My legs were first- I guess in case I changed my mind. Then my arms..."

"She was very thorough."
"I can see that," Derek says, eyeing her chest...and the rope.
"Anyways, she tied my arms up real tight and gagged me. She took my hair down, making some sort of Rapunzel joke, I guess."

That sounds like Lorelei.

"I see. Do you deny this, honey?"
Lorelei shakes her head shamefully.

"Well, I suppose the next question is this- how did she get tied up like this."
"I'll tell you," Chanta says, speaking up again, "She..."