"And so many of the houses seemed to be hiding secrets."

It can be very stressful to have to hide a big secret, especially one about who you really are.

Over time they have been used to hide treasures and secrets.

John reveals that he himself is hiding a dark secret: a need to understand why people are happy.

All the while she also successfully hides a dark secret to her past.

Rosemary, meanwhile, is hiding a huge secret from the rest of the family.

There they find a peaceful, happy society that hides a dark secret.

The two hide a great secret of the past.

Every time and place hides secrets that only one person can spill.

Over the show's run, however, many of these friends prove themselves to be either corrupt or hiding dark secrets.