It turns out both women have some deep, dark secrets of their own.

He had an air of having told her a deep, personal secret.

However, before that could happen, she had to contend with a deep dark secret.

Only his parents know the truth about us, and they have kept it a deep, dark secret.

And it wasn't something that was a deep, dark secret.

Military knowledge never gets filed; the families keep it a deep, dark secret.

"I thought that the House and what we can do with the doors was some kind of deep, dark secret."

What she was to him remained a deep, dark secret, even to himself.

And I don't think it was to learn some deep dark secret that one of your patients might be telling you.

For four days they kept their activities there a deep secret.