Ford didn't know why Cash was asking; it wasn't as though it made any difference now. But there was also probably no harm in telling him, or at least telling him part of the truth. He'd had his three weeks of selling this story. The wedding was in two days, so it was unlikely anything was going to derail it... and Ford assumed that Cash already knew what had happened, at least in the rough sense.
He shrugged and picked up his glass. "The Minister's wife found the pair of us in a coatroom with her dress all undone," he said. This was common knowledge by now, or at least part of the story that was commonly being told. His purpose in saying it was the period at the end of the sentence: the unspoken implication that nothing else from the commonly told story was accurate. He sipped his drink and shrugged again. "I only got there a minute before Mrs. Dempsey."
He shrugged and picked up his glass. "The Minister's wife found the pair of us in a coatroom with her dress all undone," he said. This was common knowledge by now, or at least part of the story that was commonly being told. His purpose in saying it was the period at the end of the sentence: the unspoken implication that nothing else from the commonly told story was accurate. He sipped his drink and shrugged again. "I only got there a minute before Mrs. Dempsey."

Set by Lady!